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Electric Light and Power Patents
The following list contains the 424 patents Edison received concerning electric light and power. It is arranged in chronological order by execution date, which is the date on which Edison signed the application and the date in the patenting process that comes closest to the time of actual inventive activity. The application date is the date on which the Patent Office received and recorded the application; the issue date, the time at which the patent, having passed inspection and any legal challenges, was awarded.
Batteries • Cement
• Electric Light & Power • Mining & Ore Milling
Miscellany •
Motion Pictures • Phonographs & Sound Recording •
Telegraphy & Telephony
| No. | Executed | Applied | Issued | PatentNo. | Title |
|---|---|---|---|---|---|
| 148. | 10/05/78 | 10/14/78 | 04/22/79 | 214,636 | Electric Lights |
| 151. | 11/14/78 | 11/18/78 | 04/22/79 | 214,637 | Thermal Regulators for Electric Lights |
| 152. | 12/03/78 | 12/09/78 | 08/05/79 | 218,166 | Magneto-Electric Machines |
| 153. | 12/03/78 | 12/09/78 | 08/26/79 | 218,866 | Electric Lighting Apparatus |
| 154. | 12/03/78 | 12/09/78 | 09/16/79 | 219,628 | Electric Lights |
| 156. | 12/31/78 | 01/10/79 | 08/05/79 | 218,167 | Apparatus for Electric Lights |
| 157. | 01/23/79 | 02/03/79 | 02/10/80 | 224,329 | Electric-Lighting Apparatus |
| 158. | 01/28/79 | 02/03/79 | 05/04/80 | 227,228 | Electric Light |
| 159. | 02/06/79 | 02/10/79 | 05/04/80 | 227,227 | Electric Light |
| 163. | 04/12/79 | 04/21/79 | 05/04/80 | 227,229 | Electric Light |
| 164. | 04/21/79 | 05/12/79 | 09/19/82 | 264,643 | Magneto-Electric Machine |
| 165. | 07/07/79 | 07/10/79 | 09/09/79 | 219,393 | Dynamo-Electric Machine |
| 169. | 09/04/79 | 09/10/79 | 12/23/79 | 222,881 | Magneto-Electric Machines |
| 170. | 11/01/79 | 11/04/79 | 01/27/80 | 223,898 | Electric Lamp |
| 171. | 01/28/80 | 02/05/80 | 07/20/80 | 230,255 | Method of Manufacturing Electric Lamps |
| 172. | 01/28/80 | 02/05/80 | 10/03/82 | 265,311 | Electric Lamp and Holder for the Same |
| 173. | 01/28/80 | 02/05/80 | 08/30/87 | 369,280 | System of Electrical Distribution |
| 174. | 01/28/80 | 03/29/80 | 10/18/81 | 248,425 | Apparatus for Producing High Vacuums |
| 175. | 03/10/80 | 03/20/80 | 06/08/80 | 228,617 | Brake for Electro-Magnetic Motors |
| 176. | 03/10/80 | 03/20/80 | 12/27/81 | 251,545 | Electric Meter |
| 177. | 03/10/80 | 03/20/80 | 09/11/94 | 525,888 | Manufacture of Carbons for Electric Lamps |
| 178. | 03/10/80 | 03/25/80 | 05/04/80 | 227,226 | Safety-Conductor for Electric Lights |
| 179. | 03/11/80 | 03/20/80 | 09/19/82 | 264,649 | Dynamo or Magneto Electric Machine |
| 181. | 04/25/80 | 05/24/80 | 03/15/81 | 238,868 | Manufacture of Carbons for Incandescent Electric Lamps |
| 182. | 06/15/80 | 06/30/80 | 02/15/81 | 237,732 | Electric Light |
| 183. | 06/15/80 | 06/30/80 | 10/18/81 | 248,417 | Manufacturing Carbons for Electric Lights |
| 184. | 06/15/80 | 07/03/80 | 05/13/84 | 298,679 | Method of Treating Carbons for Electric Lights |
| 185. | 07/02/80 | 07/22/80 | 10/18/81 | 248,430 | Electro-Magnetic Brake |
| 186. | 07/03/80 | 07/22/80 | 10/10/82 | 265,778 | Electro-Magnetic Railway-Engine |
| 188. | 07/27/80 | 08/06/80 | 03/22/81 | 239,150 | Electric Lamp |
| 189. | 07/28/80 | 08/06/80 | 12/27/81 | 251,540 | Carbon for Electric Lamps |
| 190. | 07/28/80 | 08/06/80 | 08/22/82 | 263,139 | Manufacture of Carbons for Electric Lamps |
| 191. | 07/28/80 | 08/09/80 | 03/29/81 | 239,372 | Testing Electric-Light Carbons |
| 193. | 07/30/80 | 08/09/80 | 08/22/82 | 263,140 | Dynamo-Electric Machine |
| 194. | 07/30/80 | 08/11/80 | 10/18/81 | 248,423 | Carbonizer |
| 195. | 07/31/80 | 08/09/80 | 03/22/81 | 239,147 | System of Electric Lighting |
| 196. | 07/31/80 | 08/09/80 | 10/18/81 | 248,434 | Governor for Electric Engines |
| 197. | 08/04/80 | 08/09/80 | 09/19/82 | 264,642 | Electric Distribution and Translation System |
| 198. | 08/06/80 | 08/09/80 | 02/12/84 | 293,433 | Insulation of Railroad-Tracks Used for Electrical Circuits |
| 199. | 08/07/80 | 08/17/80 | 03/29/81 | 239,373 | Electric Lamp |
| 200. | 08/07/80 | 08/17/80 | 04/05/81 | 239,745 | Electric Lamp |
| 201. | 08/07/80 | 08/17/80 | 08/22/82 | 263,135 | Electric Lamp |
| 202. | 08/10/80 | 08/17/80 | 12/27/81 | 251,546 | Electric Lamp |
| 203. | 08/11/80 | 08/27/80 | 03/22/81 | 239,153 | Electric Lamp |
| 204. | 08/11/80 | 08/27/80 | 11/02/86 | 351,855 | Electric Lamp |
| 205. | 08/12/80 | 10/01/80 | 10/18/81 | 248,435 | Utilizing Electricity as a Motive Power |
| 206. | 08/14/80 | 08/19/80 | 08/22/82 | 263,132 | Electro-Magnetic Railway |
| 207. | 09/01/80 | 10/07/80 | 09/19/82 | 264,645 | System of Conductors for the Distribution of Electricity |
| 208. | 09/22/80 | 10/07/80 | 04/26/81 | 240,678 | Webermeter |
| 209. | 10/14/80 | 10/30/80 | 03/22/81 | 239,152 | System of Electric Lighting |
| 210. | 10/15/80 | 10/30/80 | 03/22/81 | 239,148 | Treating Carbons for Electric Lamps |
| 211. | 10/21/80 | 10/30/80 | 12/27/81 | 251,556 | Regulator for Magneto or Dynamo Electric Machines |
| 212. | 10/21/80 | 11/05/80 | 06/14/81 | 242,900 | Manufacturing Carbons for Electric Lamps |
| 214. | 11/05/80 | 11/24/80 | 10/18/81 | 248,426 | Apparatus for Treating Carbons for Electric Lamps |
| 215. | 11/19/80 | 11/24/80 | 03/22/81 | 239,151 | Method of Forming Enlarged Ends on Carbon Filaments |
| 216. | 11/23/80 | 11/30/80 | 12/27/81 | 12,631 | Design for an Incandescent Electric Lamp |
| 217. | 12/03/80 | 12/15/80 | 03/22/81 | 239,149 | Incandescing Electric Lamp |
| 218. | 12/03/80 | 12/15/80 | 06/14/81 | 242,896 | Incandescent Electric Lamp |
| 219. | 12/03/80 | 12/15/80 | 06/14/81 | 242,897 | Incandescent Electric Lamp |
| 220. | 12/03/80 | 12/15/80 | 10/18/81 | 248,565 | Webermeter |
| 221. | 12/03/80 | 12/15/80 | 09/05/82 | 263,878 | Electric Lamp |
| 224. | 12/11/80 | 12/15/80 | 06/14/81 | 242,898 | Magneto or Dynamo Electric Machine |
| 225. | 12/11/80 | 12/15/80 | 10/10/82 | 265,777 | Method of Treating Carbons for Electric Lamps |
| 226. | 12/16/80 | 01/11/81 | 03/29/81 | 239,374 | Regulating the Generation of Electric Currents |
| 227. | 12/16/80 | 01/11/81 | 10/18/81 | 248,428 | Manufacture of Incandescent Electric Lamps |
| 228. | 12/21/80 | 01/11/81 | 10/18/81 | 248,427 | Apparatus for Treating Carbons for Electric Lamps |
| 229. | 12/21/80 | 01/11/81 | 10/18/81 | 248,437 | Apparatus for Treating Carbons for Electric Lamps |
| 230. | 12/30/80 | 01/11/81 | 10/18/81 | 248,416 | Manufacture of Carbons for Electric Lamps |
| 231. | 01/19/81 | 01/26/81 | 06/14/81 | 242,899 | Electric Lighting |
| 232. | 01/19/81 | 01/31/81 | 10/18/81 | 248,418 | Electric Lamp |
| 233. | 01/19/81 | 01/31/81 | 10/18/81 | 248,433 | Vacuum Apparatus |
| 234. | 01/19/81 | 01/31/81 | 12/27/81 | 251,548 | Incandescent Electric Lamp |
| 235. | 01/19/81 | 01/31/81 | 07/09/89 | 406,824 | Electric Meter |
| 236. | 01/20/81 | 01/31/81 | 10/18/81 | 248,422 | System of Electric Lighting |
| 237. | 02/03/81 | 02/21/81 | 06/24/90 | 431,018 | Dynamo or Magneto-Electric Machine |
| 238. | 02/24/81 | 03/03/81 | 06/14/81 | 242,901 | Electric Meter |
| 239. | 02/24/81 | 03/03/81 | 10/18/81 | 248,429 | Electric Motor |
| 240. | 02/25/81 | 03/05/81 | 10/18/81 | 248,421 | Current-Regulator for Dynamo-Electric Machines |
| 241. | 02/26/81 | 03/03/81 | 12/27/81 | 251,550 | Magneto or Dynamo Electric Machine |
| 242. | 02/26/81 | 05/27/81 | 12/27/81 | 251,555 | Regulator for Dynamo-Electric Machines |
| 243. | 03/02/81 | 03/12/81 | 09/13/92 | 482,549 | Means for Controlling Electric Generation |
| 244. | 03/07/81 | 03/26/81 | 10/18/81 | 248,420 | Fixture and Attachment for Electric Lamps |
| 245. | 03/07/81 | 03/26/81 | 12/27/81 | 251,553 | Electric Chandelier |
| 246. | 03/07/81 | 03/26/81 | 12/27/81 | 251,554 | Electric Lamp and Socket or Holder |
| 247. | 03/08/81 | 03/26/81 | 10/18/81 | 248,424 | Fitting and Fixture for Electric Lamps |
| 248. | 03/30/81 | 04/15/81 | 10/18/81 | 248,419 | Electric Lamp |
| 249. | 04/19/81 | 04/26/81 | 12/27/81 | 251,542 | System of Electric Lighting |
| 250. | 04/19/81 | 04/26/81 | 08/22/82 | 263,145 | Process of Making Incandescents |
| 251. | 04/21/81 | 04/26/81 | 10/24/82 | 266,447 | Electric Incandescent Lamp |
| 252. | 04/22/81 | 04/26/81 | 12/27/81 | 251,552 | Underground Conductors |
| 253. | 04/22/81 | 04/26/81 | 06/07/92 | 476,531 | Electric-Lighting System |
| 254. | 05/17/81 | 05/27/81 | 10/18/81 | 248,436 | Depositing Cell for Plating the Connections of Electric Lamps, & c. |
| 255. | 05/17/81 | 05/27/81 | 12/27/81 | 251,539 | Electric Lamp |
| 256. | 05/17/81 | 05/27/81 | 08/22/82 | 263,136 | Regulator for Dynamo or Magneto Electric Machines |
| 257. | 05/19/81 | 05/27/81 | 12/27/81 | 251,557 | Webermeter |
| 258. | 05/19/81 | 05/28/81 | 08/22/82 | 263,134 | Regulator for Dynamo or Magneto Electric Machines |
| 259. | 05/20/81 | 05/31/81 | 12/27/81 | 251,541 | Electro-Magnetic Motor |
| 260. | 05/20/81 | 05/31/81 | 12/27/81 | 251,549 | Electric Lamp and the Manufacture Thereof |
| 261. | 05/20/81 | 05/31/81 | 05/11/86 | 341,644 | Incandescent Electric Lamp |
| 262. | 05/20/81 | 06/22/81 | 12/27/81 | 251,544 | Manufacture of Electric Lamps |
| 263. | 05/20/81 | 08/30/81 | 12/27/81 | 251,558 | Webermeter |
| 264. | 05/21/81 | 06/24/81 | 08/22/82 | 263,141 | Straightening Carbons of Electric Incandescent Lamps |
| 265. | 05/21/81 | 08/30/81 | 12/27/81 | 251,551 | System of Electric Lighting |
| 266. | 05/21/81 | 08/30/81 | 08/22/82 | 263,137 | Electric Chandelier |
| 267. | 05/21/81 | 08/30/81 | 09/19/82 | 264,657 | Incandescent Electric Lamp |
| 268. | 05/24/81 | 08/30/81 | 12/27/81 | 251,543 | Electric Lamp |
| 269. | 05/27/81 | 05/28/81 | 12/27/81 | 251,538 | Electric Light |
| 270. | 06/02/81 | 06/24/81 | 12/27/81 | 251,547 | Electrical Governor |
| 271. | 06/03/81 | 06/22/81 | 08/22/82 | 263,150 | Magneto or Dynamo Electric Machine |
| 272. | 06/03/81 | 06/22/81 | 04/15/90 | 425,760 | Measurement of Electricity in Distribution Systems |
| 274. | 06/21/81 | 09/03/81 | 09/02/90 | 435,687 | Means for Charging and Using Secondary Batteries |
| 275. | 06/24/81 | 08/30/81 | 08/22/82 | 263,143 | Magneto or Dynamo Electric Machine |
| 276. | 06/25/81 | 08/30/81 | 12/27/81 | 251,537 | Dynamo-Electric Machine |
| 277. | 07/01/81 | 08/30/81 | 08/22/82 | 263,147 | Vacuum Apparatus |
| 278. | 07/01/81 | 08/30/81 | 10/28/90 | 439,389 | Electric-Lighting System |
| 279. | 07/22/81 | 10/04/81 | 08/22/82 | 263,149 | Commutator for Dynamo or Magneto Electric Machines |
| 282. | 08/20/81 | 11/15/81 | 04/15/90 | 425,763 | Commutator for Dynamo-Electric Machines |
| 283. | 08/24/81 | 10/04/81 | 08/22/82 | 263,142 | Electrical Distribution System |
| 284. | 08/24/81 | 10/04/81 | 09/19/82 | 264,647 | Dynamo or Magneto Electric Machine |
| 285. | 08/24/81 | 10/04/81 | 06/11/89 | 404,902 | Electrical-Distribution System |
| 286. | 08/24/81 | 11/11/81 | 08/22/82 | 263,133 | Dynamo or Magneto Electric Machine |
| 289. | 09/19/81 | 11/11/81 | 08/22/82 | 263,144 | Mold for Carbonizing Incandescents |
| 290. | 09/21/81 | 11/11/81 | 10/10/82 | 265,774 | Method of Maintaining Temperature in Webermeters |
| 291. | 09/23/81 | 11/11/81 | 09/19/82 | 264,648 | Dynamo or Magneto Electric Machine |
| 292. | 09/27/81 | 11/11/81 | 10/10/82 | 265,776 | Electric-Lighting System |
| 293. | 09/27/81 | 11/11/81 | 08/07/94 | 524,136 | Regulator for Dynamo-Electric Machines |
| 295. | 10/05/81 | 11/11/81 | 07/17/83 | 281,352 | Webermeter |
| 296. | 10/11/81 | 08/07/82 | 02/17/91 | 446,667 | Locomotive for Electric Railways |
| 297. | 10/17/81 | 11/11/81 | 11/13/83 | 288,318 | Regulator for Dynamo or Magneto Electric Machines |
| 298. | 10/25/81 | 11/11/81 | 12/27/81 | 251,559 | Electrical Drop-Light |
| 299. | 10/25/81 | 11/28/81 | 08/22/82 | 263,148 | Dynamo or Magneto Electric Machine |
| 300. | 10/25/81 | 11/28/81 | 09/19/82 | 264,646 | Dynamo or Magneto Electric Machine |
| 301. | 10/25/81 | 12/09/81 | 10/31/82 | 266,793 | Electric Distribution System |
| 302. | 10/29/81 | 11/28/81 | 03/01/87 | 358,599 | Incandescent Electric Lamp |
| 303. | 11/03/81 | 11/28/81 | 09/19/82 | 264,673 | Regulator for Dynamo-Electric Machines |
| 304. | 11/07/81 | 11/28/81 | 08/22/82 | 263,138 | Electric-Arc Light |
| 305. | 11/07/81 | 11/28/81 | 10/10/82 | 265,775 | Electric-Arc Light |
| 306. | 11/07/81 | 11/28/81 | 04/29/84 | 297,580 | Electric-Arc Light |
| 307. | 11/22/81 | 11/29/81 | 08/22/82 | 263,146 | Dynamo Magneto Electric Machine |
| 308. | 11/22/81 | 11/29/81 | 05/12/85 | 317,631 | Incandescent Electric Lamp |
| 309. | 11/25/81 | 12/06/81 | 10/24/82 | 266,588 | Vacuum Apparatus |
| 310. | 12/05/81 | 12/07/81 | 12/27/81 | 251,536 | Vacuum-Pump |
| 311. | 12/05/81 | 12/09/81 | 09/19/82 | 264,650 | Manufacture of Incandescing Electric Lamps |
| 312. | 12/05/81 | 12/09/81 | 03/20/88 | 379,770 | Incandescent Electric Lamp |
| 313. | 12/05/81 | 08/07/82 | 09/19/82 | 264,660 | Regulator for Dynamo-Electric Machines |
| 314. | 12/05/81 | 08/07/82 | 02/12/84 | 293,434 | Incandescent Electric Lamp |
| 315. | 12/05/81 | 08/07/82 | 10/28/90 | 439,391 | Junction-Box for Electric Wires |
| 316. | 12/05/81 | 08/07/82 | 06/23/91 | 454,558 | Incandescent Electric Lamp |
| 317. | 12/13/81 | 08/07/82 | 09/19/82 | 264,653 | Incandescent Electric Lamp |
| 318. | 12/13/81 | 08/07/82 | 03/01/87 | 358,600 | Incandescing Electric Lamp |
| 319. | 12/15/81 | 08/07/82 | 09/19/82 | 264,652 | Incandescent Electric Lamp |
| 320. | 12/15/81 | 08/07/82 | 05/29/83 | 278,419 | Dynamo-Electric Machine |
| 321. | 01/17/82 | 08/07/82 | 10/10/82 | 265,779 | Regulator for Dynamo-Electric Machines |
| 322. | 02/10/82 | 08/07/82 | 09/19/82 | 264,654 | Incandescent Electric Lamp |
| 323. | 02/10/82 | 08/07/82 | 09/19/82 | 264,661 | Regulator for Dynamo-Electric Machines |
| 324. | 02/10/82 | 08/07/82 | 09/19/82 | 264,664 | Regulator for Dynamo-Electric Machines |
| 325. | 02/10/82 | 08/07/82 | 09/19/82 | 264,668 | Regulator for Dynamo-Electric Machines |
| 326. | 02/10/82 | 08/07/82 | 09/19/82 | 264,669 | Regulator for Dynamo-Electric Machines |
| 327. | 02/10/82 | 08/07/82 | 09/19/82 | 264,671 | Regulator for Dynamo-Electric Machines |
| 328. | 02/10/82 | 08/07/82 | 04/10/83 | 275,613 | Incandescing Electric Lamp |
| 329. | 02/10/82 | 08/07/82 | 04/16/89 | 401,646 | Incandescing Electric Lamp |
| 330. | 02/28/82 | 08/07/82 | 09/19/82 | 264,658 | Regulator for Dynamo-Electric Machines |
| 331. | 02/28/82 | 08/07/82 | 09/19/82 | 264,659 | Regulator for Dynamo-Electric Machines |
| 332. | 02/28/82 | 08/07/82 | 10/10/82 | 265,780 | Regulator for Dynamo-Electric Machines |
| 333. | 02/28/82 | 08/07/82 | 10/10/82 | 265,781 | Regulator for Dynamo-Electric Machines |
| 334. | 02/28/82 | 08/07/82 | 05/29/83 | 278,416 | Manufacture of Incandescing Electric Lamps |
| 335. | 02/28/82 | 08/07/82 | 03/20/88 | 379,771 | Regulator for Dynamo-Electric Machines |
| 339. | 05/01/82 | 05/17/82 | 11/28/82 | 268,205 | Dynamo or Magneto Electric Machine |
| 340. | 05/01/82 | 08/07/82 | 09/19/82 | 264,662 | Regulator for Dynamo-Electric Machines |
| 341. | 05/01/82 | 08/07/82 | 09/19/82 | 264,663 | Regulator for Dynamo-Electric Machines |
| 342. | 05/01/82 | 08/07/82 | 09/19/82 | 264,665 | Regulator for Dynamo-Electric Machines |
| 343. | 05/01/82 | 08/07/82 | 09/19/82 | 264,666 | Regulator for Dynamo-Electric Machines |
| 344. | 05/01/82 | 08/07/82 | 03/06/83 | 273,488 | Regulator for Dynamo-Electric Machines |
| 345. | 05/19/82 | 05/26/82 | 09/29/91 | 460,122 | Process of and Apparatus for Generating Electricity |
| 347. | 05/19/82 | 06/26/82 | 03/06/83 | 273,492 | Secondary Battery |
| 348. | 05/22/82 | 08/07/82 | 09/19/82 | 264,667 | Regulator for Dynamo-Electric Machines |
| 349. | 05/22/82 | 08/07/82 | 09/19/82 | 264,672 | Regulator for Dynamo-Electric Machines |
| 350. | 05/22/82 | 08/07/82 | 10/10/82 | 265,786 | Apparatus for the Electrical Transmission of Power |
| 351. | 05/22/82 | 08/07/82 | 03/13/83 | 273,828 | System of Underground Conductors for Electrical Distribution |
| 352. | 05/22/82 | 08/07/82 | 03/20/88 | 379,772 | System of Electrical Distribution |
| 353. | 06/03/82 | 08/07/82 | 03/20/83 | 274,292 | Secondary Battery |
| 354. | 06/03/82 | 08/07/82 | 06/28/87 | 365,509 | Filament for Incandescent Electric Lamps |
| 355. | 06/03/82 | 08/07/82 | 02/17/91 | 446,668 | Electric-Arc Light |
| 356. | 06/03/82 | 08/07/82 | 08/06/95 | 543,985 | Incandescent Conductor for Electric Lamps |
| 357. | 06/03/82 | 09/13/82 | 07/17/83 | 281,353 | Dynamo or Magneto Electric Machine |
| 358. | 06/03/82 | 09/13/82 | 10/30/83 | 287,523 | Dynamo or Magneto Electric Machine |
| 359. | 06/09/82 | 08/07/82 | 09/19/82 | 264,651 | Incandescent Electric Lamp |
| 360. | 06/09/82 | 08/07/82 | 09/19/82 | 264,655 | Incandescing Electric Lamp |
| 361. | 06/09/82 | 08/07/82 | 09/19/82 | 264,670 | Regulator for Dynamo-Electric Machines |
| 362. | 06/09/82 | 08/07/82 | 03/06/83 | 273,489 | Turn-Table for Electric Railways |
| 363. | 06/09/82 | 08/07/82 | 03/06/83 | 273,490 | Electro-Magnetic Railway System |
| 364. | 06/12/82 | 08/07/82 | 04/16/89 | 401,486 | System of Electric Lighting |
| 365. | 06/12/82 | 08/07/82 | 06/07/92 | 476,527 | System of Electric Lighting |
| 366. | 06/19/82 | 06/26/82 | 10/28/90 | 439,390 | System of Electric Lighting |
| 367. | 06/19/82 | 06/26/82 | 02/17/91 | 446,666 | System of Electric Lighting |
| 368. | 06/19/82 | 06/28/82 | 12/08/91 | 464,822 | System of Distributing Electricity |
| 369. | 06/24/82 | 08/14/82 | 08/26/84 | 304,082 | Electrical Meter |
| 370. | 07/05/82 | 08/14/82 | 03/20/83 | 274,296 | Manufacture of Incandescents |
| 371. | 07/07/82 | 08/14/82 | 09/19/82 | 264,656 | Incandescent Electric Lamp |
| 372. | 07/07/82 | 08/14/82 | 10/10/82 | 265,782 | Regulator for Dynamo-Electric Machines |
| 373. | 07/07/82 | 08/14/82 | 10/10/82 | 265,783 | Regulator for Dynamo-Electric Machines |
| 374. | 07/07/82 | 08/14/82 | 10/10/82 | 265,784 | Regulator for Dynamo-Electric Machines |
| 375. | 07/07/82 | 08/14/82 | 10/10/82 | 265,785 | Dynamo-Electric Machine |
| 376. | 07/07/82 | 08/14/82 | 03/06/83 | 273,494 | Electrical Railroad |
| 377. | 07/07/82 | 08/14/82 | 05/29/83 | 278,418 | Apparatus for Translating Electric Currents From High to Low Tension |
| 378. | 07/07/82 | 08/14/82 | 02/12/84 | 293,435 | Electrical Meter |
| 379. | 07/07/82 | 08/14/82 | 01/26/86 | 334,853 | Mold for Carbonizing |
| 380. | 07/07/82 | 08/14/82 | 04/06/86 | 339,278 | Electric Railway |
| 381. | 08/05/82 | 08/07/82 | 03/13/83 | 273,714 | Magneto-Electric Signaling Apparatus |
| 382. | 08/05/82 | 08/07/82 | 07/31/83 | 282,287 | Magneto-Electric Signaling Apparatus |
| 383. | 08/05/82 | 08/07/82 | 03/24/91 | 448,778 | Electric Railway |
| 384. | 08/12/82 | 08/22/82 | 10/28/90 | 439,392 | Electric-Lighting System |
| 385. | 08/25/82 | 09/13/82 | 02/06/83 | 271,613 | Manufacture of Incandescing Electric Lamps |
| 386. | 08/25/82 | 09/13/82 | 10/30/83 | 287,518 | Method of Manufacturing Incandescing Electric Lamps |
| 387. | 08/25/82 | 09/13/82 | 07/09/89 | 406,825 | Electric Meter |
| 388. | 08/25/82 | 09/13/82 | 10/28/90 | 439,393 | Carbonizing-Chamber |
| 389. | 09/12/82 | 09/22/82 | 03/06/83 | 273,487 | Regulator for Dynamo-Electric Machines |
| 390. | 09/12/82 | 09/22/82 | 04/29/84 | 297,581 | Incandescent Electric Lamp |
| 391. | 09/16/82 | 09/22/82 | 01/08/89 | 395,962 | Method of Manufacturing Electric Lamps |
| 392. | 10/04/82 | 10/20/82 | 10/30/83 | 287,525 | Regulator for Systems of Electrical Distribution |
| 393. | 10/05/82 | 10/12/82 | 06/28/87 | 365,465 | Valve-Gear |
| 394. | 10/09/82 | 10/12/82 | 10/21/84 | 307,029 | Filament for Incandescent Lamps |
| 395. | 10/10/82 | 10/12/82 | 11/28/82 | 268,206 | Incandescing Electric Lamp |
| 396. | 10/12/82 | 10/20/82 | 03/06/83 | 273,486 | Incandescing Electric Lamp |
| 397. | 10/14/82 | 10/20/82 | 03/20/83 | 274,293 | Electric Lamp |
| 398. | 10/14/82 | 10/20/82 | 04/10/83 | 275,612 | Manufacture of Incandescing Electric Lamps |
| 399. | 10/14/82 | 10/20/82 | 06/24/90 | 430,932 | Manufacture of Incandescent Lamps |
| 400. | 10/16/82 | 10/20/82 | 02/06/83 | 271,616 | Regulator for Dynamo-Electric Machines |
| 401. | 10/17/82 | 10/20/82 | 08/06/95 | 543,986 | Process of Treating and Products Derived from Vegetable Fibers |
| 402. | 10/17/82 | 10/20/82 | 08/06/95 | 543,987 | Filament for Incandescent Lamps |
| 403. | 10/19/82 | 10/20/82 | 02/06/83 | 271,614 | Shafting |
| 404. | 10/19/82 | 10/20/82 | 09/17/89 | 411,016 | Manufacture of Carbon Filaments |
| 405. | 10/19/82 | 10/26/82 | 03/06/83 | 273,491 | Regulator for Driving Engines of Electrical Generators |
| 406. | 10/19/82 | 10/26/82 | 03/06/83 | 273,493 | Valve-Gear for Electrical Generator-Engines |
| 407. | 10/19/82 | 10/26/82 | 02/21/93 | 492,150 | Process of Coating Conductors for Incandescent Lamps |
| 408. | 10/19/82 | 11/09/82 | 02/06/83 | 271,615 | Governor for Dynamo-Electric Machines |
| 409. | 10/26/82 | 11/09/82 | 03/06/83 | 273,485 | Incandescing Electric Lamp |
| 410. | 10/26/82 | 11/09/82 | 05/12/85 | 317,632 | Incandescent Electric Lamp |
| 411. | 10/26/82 | 11/09/82 | 05/12/85 | 317,633 | Incandescent Electric Lamp |
| 412. | 11/03/82 | 11/09/82 | 10/30/83 | 287,520 | Incandescing Conductor for Electric Lamps |
| 413. | 11/03/82 | 11/09/82 | 12/07/86 | 353,783 | Incandescent Electric Lamp |
| 414. | 11/03/82 | 11/09/82 | 06/24/90 | 430,933 | Filament for Incandescent Lamps |
| 415. | 11/13/82 | 11/23/82 | 03/20/83 | 274,294 | Incandescing Electric Lamp |
| 416. | 11/13/82 | 11/23/82 | 07/17/83 | 281,350 | Regulator for Dynamo-Electric Machines |
| 417. | 11/14/82 | 11/23/82 | 03/20/83 | 274,295 | Incandescent Electric Lamp |
| 418. | 11/14/82 | 11/23/82 | 04/24/83 | 276,233 | Electrical Generator and Motor |
| 419. | 11/20/82 | 11/27/82 | 03/20/83 | 274,290 | System of Electrical Distribution |
| 420. | 11/28/82 | 12/08/82 | 03/20/83 | 274,291 | Mold for Carbonizing |
| 421. | 11/28/82 | 12/08/82 | 05/29/83 | 278,413 | Regulator for Dynamo-Electric Machines |
| 422. | 11/28/82 | 12/08/82 | 05/29/83 | 278,414 | Regulator for Dynamo-Electric Machines |
| 423. | 11/28/82 | 12/08/82 | 10/30/83 | 287,519 | Incandescing Electric Lamp |
| 424. | 11/28/82 | 12/08/82 | 10/30/83 | 287,524 | Regulator for Dynamo-Electric Machines |
| 425. | 11/28/82 | 12/08/82 | 10/14/90 | 438,298 | Manufacture of Incandescent Electric Lamps |
| 426. | 12/20/82 | 01/08/83 | 04/24/83 | 276,232 | Means for Operating and Regulating Electrical Generators |
| 427. | 01/13/83 | 01/22/83 | 05/29/83 | 278,415 | Manufacture of Incandescing Electric Lamps |
| 428. | 01/13/83 | 01/22/83 | 05/29/83 | 278,417 | Manufacture of Incandescing Electric Lamps |
| 429. | 01/13/83 | 01/22/83 | 07/17/83 | 281,349 | Regulator for Dynamo-Electric Machines |
| 430. | 01/13/83 | 01/22/83 | 08/28/83 | 283,985 | System of Electrical Distribution |
| 431. | 01/13/83 | 01/22/83 | 08/28/83 | 283,986 | System of Electrical Distribution |
| 432. | 01/13/83 | 01/22/83 | 09/22/91 | 459,835 | Manufacture of Incandescent Electric Lamps |
| 433. | 02/13/83 | 03/16/83 | 05/29/83 | 13,940 | Design for Incandescing Electric Lamp |
| 434. | 02/13/83 | 03/16/83 | 07/03/83 | 280,727 | System of Electrical Distribution |
| 435. | 02/13/83 | 03/16/83 | 12/25/88 | 395,123 | Circuit-Controller for Dynamo-Electric Machines |
| 436. | 02/17/83 | 03/16/83 | 10/30/83 | 287,521 | Dynamo or Magneto Electric Machine |
| 437. | 02/17/83 | 03/16/83 | 10/30/83 | 287,522 | Mold for Carbonizing |
| 438. | 02/17/83 | 03/16/83 | 10/14/90 | 438,299 | Manufacture of Carbon Filaments |
| 439. | 02/17/83 | 03/16/83 | 02/17/91 | 446,669 | Manufacture of Filaments for Incandescent Electric Lamps |
| 440. | 02/17/83 | 03/16/83 | 06/07/92 | 476,528 | Incandescent Electric Lamp |
| 441. | 03/05/83 | 03/16/83 | 07/17/83 | 281,351 | Electrical Generator |
| 442. | 03/05/83 | 03/16/83 | 08/28/83 | 283,984 | System of Electrical Distribution |
| 443. | 03/14/83 | 03/16/83 | 10/30/83 | 287,517 | System of Electrical Distribution |
| 444. | 04/05/83 | 04/17/83 | 08/28/83 | 283,983 | System of Electrical Distribution |
| 445. | 04/06/83 | 04/17/83 | 12/14/86 | 354,310 | Manufacture of Carbon Conductors |
| 446. | 04/06/83 | 04/17/83 | 09/20/87 | 370,123 | Electric Meter |
| 447. | 04/06/83 | 04/17/83 | 09/17/89 | 411,017 | Carbonizing-Flask |
| 448. | 04/12/83 | 04/20/83 | 09/20/87 | 370,124 | Manufacture of Filaments for Incandescing Electric Lights |
| 449. | 05/08/83 | 05/14/83 | 10/30/83 | 287,516 | System of Electrical Distribution |
| 450. | 05/08/83 | 05/14/83 | 05/11/86 | 341,839 | Incandescing Electric Lamp |
| 451. | 05/08/83 | 05/14/83 | 02/26/89 | 398,774 | Incandescent Electric Lamp |
| 452. | 06/01/83 | 06/07/83 | 09/20/87 | 370,125 | Electrical Transmission of Power |
| 453. | 06/01/83 | 06/07/83 | 09/20/87 | 370,126 | Electrical Transmission of Power |
| 454. | 06/01/83 | 06/07/83 | 09/20/87 | 370,127 | Electrical Transmission of Power |
| 455. | 06/01/83 | 06/07/83 | 09/20/87 | 370,128 | Electrical Transmission of Power |
| 456. | 06/01/83 | 06/07/83 | 09/20/87 | 370,129 | Electrical Transmission of Power |
| 457. | 06/01/83 | 06/07/83 | 09/20/87 | 370,130 | Electrical Transmission of Power |
| 458. | 06/01/83 | 06/07/83 | 09/20/87 | 370,131 | Electrical Transmission of Power |
| 459. | 06/01/83 | 06/07/83 | 10/14/90 | 438,300 | Gage for Testing Fibers for Incandescent-Lamp Carbons |
| 460. | 06/25/83 | 06/29/83 | 10/30/83 | 287,511 | Electric Regulator |
| 461. | 06/25/83 | 06/29/83 | 10/30/83 | 287,512 | Dynamo-Electric Machine |
| 462. | 06/25/83 | 06/29/83 | 10/30/83 | 287,513 | Dynamo-Electric Machine |
| 463. | 06/25/83 | 06/29/83 | 10/30/83 | 287,514 | Dynamo-Electric Machine |
| 464. | 06/25/83 | 06/29/83 | 10/30/83 | 287,515 | System of Electrical Distribution |
| 465. | 06/25/83 | 06/29/83 | 04/29/84 | 297,582 | Dynamo-Electric Machine |
| 466. | 06/25/83 | 06/29/83 | 10/20/85 | 328,572 | Commutator for Dynamo-Electric Machines |
| 467. | 06/25/83 | 06/29/83 | 06/24/90 | 430,934 | Electric-Lighting System |
| 468. | 06/25/83 | 06/29/83 | 10/14/90 | 438,301 | System of Electric Lighting |
| 469. | 07/27/83 | 10/10/83 | 04/29/84 | 297,583 | Dynamo-Electric Machine |
| 470. | 07/27/83 | 10/10/83 | 08/26/84 | 304,083 | Dynamo-Electric Machine |
| 471. | 07/27/83 | 10/10/83 | 08/26/84 | 304,084 | Device for Protecting Electric-Light Systems from Lightning |
| 472. | 07/27/83 | 10/10/83 | 10/14/90 | 438,302 | Commutator for Dynamo-Electric Machines |
| 473. | 07/27/83 | 10/10/83 | 06/07/92 | 476,529 | System of Electrical Distribution |
| 474. | 08/08/83 | 10/10/83 | 04/29/84 | 297,584 | Dynamo-Electric Machine |
| 475. | 08/08/83 | 10/10/83 | 10/21/84 | 307,030 | Electrical Meter |
| 476. | 09/14/83 | 09/19/83 | 09/02/90 | 435,688 | Process of and Apparatus for Generating Electricity |
| 477. | 09/14/83 | 10/10/83 | 04/29/84 | 297,585 | Incandescing Conductor for Electric Lamps |
| 478. | 09/14/83 | 10/10/83 | 04/29/84 | 297,586 | Electrical Conductor |
| 479. | 09/14/83 | 10/10/83 | 03/15/92 | 470,922 | Manufacture of Filaments for Incandescent Lamps |
| 480. | 10/09/83 | 11/01/83 | 01/31/93 | 490,953 | Art of Generating Electricity |
| 481. | 10/17/83 | 10/18/83 | 02/12/84 | 293,432 | Electrical Generator or Motor |
| 482. | 11/02/83 | 11/15/83 | 10/21/84 | 307,031 | Electrical Indicator |
| 484. | 11/15/83 | 12/12/83 | 04/29/84 | 297,587 | Dynamo-Electric Machine |
| 485. | 11/15/83 | 12/12/83 | 05/20/84 | 298,954 | Dynamo-Electric Machine |
| 486. | 11/15/83 | 12/12/83 | 05/20/84 | 298,955 | Dynamo-Electric Machine |
| 487. | 11/15/83 | 12/12/83 | 08/26/84 | 304,085 | System of Electrical Distribution |
| 488. | 11/15/83 | 12/12/83 | 11/28/93 | 509,517 | System of Electrical Distribution |
| 489. | 11/20/83 | 11/22/83 | 04/15/90 | 425,761 | Incandescent Lamp |
| 490. | 12/15/83 | 01/04/84 | 02/12/95 | 534,206 | Filament for Incandescent Lamps |
| 491. | 12/15/83 | 01/24/84 | 08/26/84 | 304,086 | Incandescent Electric Lamp |
| 492. | 01/05/84 | 01/24/84 | 05/20/84 | 298,956 | Mode of Operating Dynamo-Electric Machines |
| 493. | 01/12/84 | 01/24/84 | 08/26/84 | 304,087 | Electrical Conductor |
| 495. | 01/22/84 | 04/05/84 | 01/08/89 | 395,963 | Incandescent-Lamp Filament |
| 496. | 02/08/84 | 04/05/84 | 04/06/86 | 339,279 | System of Electrical Distribution |
| 498. | 06/02/84 | 06/10/84 | 09/23/90 | 436,968 | Method of and Apparatus for Drawing Wire |
| 499. | 06/02/84 | 06/10/84 | 09/23/90 | 436,969 | Method of and Apparatus for Drawing Wire |
| 500. | 06/02/84 | 06/10/84 | 10/14/90 | 438,303 | Arc Lamp |
| 501. | 06/27/84 | 08/07/84 | 06/01/86 | 343,017 | System of Electrical Distribution |
| 502. | 07/16/84 | 08/07/84 | 10/23/88 | 391,595 | System of Electric Lighting |
| 503. | 09/12/84 | 10/02/84 | 10/20/85 | 328,573 | System of Electric Lighting |
| 504. | 09/12/84 | 10/02/84 | 10/20/85 | 328,574 | System of Electric Lighting |
| 505. | 09/12/84 | 10/02/84 | 10/20/85 | 328,575 | System of Electric Lighting |
| 506. | 09/24/84 | 10/02/84 | 10/23/88 | 391,596 | Incandescent Electric Lamp |
| 519. | 01/14/85 | 10/14/85 | 10/14/90 | 438,305 | Fuse-Block |
| 536. | 07/15/86 | 07/17/86 | 09/17/89 | 411,018 | Manufacture of Incandescent Electric Lamps |
| 537. | 07/15/86 | 07/17/86 | 10/14/90 | 438,307 | Manufacture of Incandescent Electric Lamps |
| 539. | 07/20/86 | 07/29/86 | 09/17/89 | 411,019 | Manufacture of Incandescent Electric Lamps |
| 540. | 08/06/86 | 08/11/86 | 07/02/89 | 406,130 | Manufacture of Incandescent Electric Lamps |
| 541. | 09/30/86 | 10/05/86 | 11/02/86 | 351,856 | Incandescent Electric Lamp |
| 542. | 10/26/86 | 10/27/86 | 06/16/91 | 454,262 | Incandescent-Lamp Filament |
| 543. | 10/26/86 | 10/27/86 | 01/05/92 | 466,400 | Cut-Out for Incandescent Lamps |
| 544. | 10/26/86 | 10/27/86 | 10/11/92 | 484,184 | Manufacture of Carbon Filaments |
| 545. | 11/02/86 | 11/06/86 | 01/31/93 | 490,954 | Manufacture of Carbon Filaments for Electric Lamps |
| 546. | 11/09/86 | 12/06/86 | 10/14/90 | 438,308 | System of Electrical Distribution |
| 547. | 11/09/86 | 12/06/86 | 08/14/94 | 524,378 | System of Electrical Distribution |
| 548. | 11/22/86 | 11/29/86 | 07/05/87 | 365,978 | System of Electrical Distribution |
| 549. | 11/22/86 | 12/06/86 | 09/06/87 | 369,439 | System of Electrical Distribution |
| 551. | 11/26/86 | 12/06/86 | 03/27/88 | 379,944 | Commutator for Dynamo-Electric Machines |
| 552. | 11/26/86 | 12/06/86 | 09/17/89 | 411,020 | Manufacture of Carbon Filaments |
| 553. | 12/06/86 | 12/15/86 | 11/08/92 | 485,615 | Manufacture of Carbon Filaments |
| 554. | 12/06/86 | 12/15/86 | 11/08/92 | 485,616 | Manufacture of Carbon Filaments |
| 555. | 12/06/86 | 12/15/86 | 08/28/94 | 525,007 | Manufacture of Carbon Filaments |
| 556. | 12/10/86 | 12/16/86 | 09/06/87 | 369,441 | System of Electrical Distribution |
| 557. | 12/16/86 | 12/22/86 | 09/06/87 | 369,442 | System of Electrical Distribution |
| 558. | 12/16/86 | 12/27/86 | 09/06/87 | 369,443 | System of Electrical Distribution |
| 559. | 12/20/86 | 12/27/86 | 10/11/92 | 484,185 | Manufacture of Carbon Filaments |
| 560. | 12/20/86 | 12/27/86 | 02/12/95 | 534,207 | Manufacture of Carbon Filaments |
| 561. | 12/21/86 | 12/28/86 | 11/22/87 | 373,584 | Dynamo-Electric Machine |
| 562. | 02/07/87 | 03/08/87 | 02/16/92 | 468,949 | Converter System for Electric Railways |
| 563. | 05/24/87 | 06/13/87 | 03/27/88 | 380,100 | Pyromagnetic Motor |
| 564. | 05/24/87 | 06/13/87 | 06/14/92 | 476,983 | Pyromagnetic Generator |
| 565. | 06/01/87 | 06/04/87 | 06/07/92 | 476,530 | Incandescent Electric Lamp |
| 567. | 08/09/87 | 08/19/87 | 03/15/92 | 470,923 | Railway-Signaling |
| 568. | 08/26/87 | 08/29/87 | 08/27/95 | 545,405 | System of Electrical Distribution |
| 569. | 09/13/87 | 09/23/87 | 03/27/88 | 380,101 | System of Electrical Distribution |
| 570. | 09/14/87 | 09/23/87 | 03/27/88 | 380,102 | System of Electrical Distribution |
| 571. | 09/26/87 | 09/30/87 | 03/15/92 | 470,924 | Electric Conductor |
| 572. | 10/17/87 | 10/21/87 | 07/07/96 | 563,462 | Method of and Apparatus for Drawing Wire |
| 573. | 11/05/87 | 12/09/87 | 06/26/88 | 385,173 | System of Electrical Distribution |
| 579. | 12/04/87 | 12/27/87 | 05/08/88 | 382,415 | System of Electrical Distribution |
| 582. | 01/21/88 | 01/30/88 | 08/19/90 | 434,586 | Electric Generator |
| 585. | 02/02/88 | 02/06/88 | 09/11/88 | 389,369 | Incandescing Electric Lamp |
| 587. | 02/20/88 | 03/02/88 | 10/02/88 | 390,462 | Process of Making Carbon Filaments |
| 591. | 03/03/88 | 03/08/88 | 04/15/90 | 425,762 | Cut-Out for Incandescent Electric Lamps |
| 596. | 05/07/88 | 05/21/88 | 02/12/95 | 534,208 | Induction-Converter |
| 601. | 06/21/88 | 07/02/88 | 03/15/92 | 470,925 | Manufacture of Filaments for Incandescent Lamps |
| 610. | 07/14/88 | 07/17/88 | 11/08/92 | 485,617 | Incandescent-Lamp Filament |
| 615. | 08/31/88 | 09/15/88 | 02/12/89 | 397,705 | Method of Winding Field-Magnets |
| 616. | 08/31/88 | 09/15/88 | 09/02/90 | 435,690 | Method of Making Armatures for Dynamo-Electric Machines |
| 639. | 03/22/89 | 03/25/89 | 11/03/91 | 462,540 | Incandescent Electric Lamp |
| 642. | 04/25/89 | 05/11/89 | 10/14/90 | 438,309 | Method of Insulating Electrical Conductors |
| 656. | 02/14/90 | 02/20/90 | 08/19/90 | 434,589 | Propelling Mechanism for Electric Vehicles |
| 657. | 04/25/90 | 05/05/90 | 10/14/90 | 438,310 | Lamp-Base |
| 658. | 04/29/90 | 05/05/90 | 09/30/90 | 437,428 | Propelling Device for Electric Cars |
| 661. | 05/17/90 | 05/24/90 | 09/09/90 | 436,127 | Electric Motor |
| 664. | 06/02/90 | 06/10/90 | 09/23/90 | 436,970 | Apparatus for Transmitting Power |
| 673. | 09/12/90 | 09/15/90 | 01/13/91 | 444,530 | Leading-In Wire for Incandescent Lamps |
| 674. | 09/13/90 | 09/17/90 | 02/12/95 | 534,209 | Incandescent Electric Lamp |
| 675. | 10/27/90 | 11/21/90 | 06/14/92 | 476,985 | Trolley for Electric Railways |
| 688. | 12/20/90 | 01/19/91 | 03/14/93 | 493,425 | Electric Locomotive |
| 689. | 01/20/91 | 01/24/91 | 06/14/92 | 476,992 | Incandescent Electric Lamp |
| 691. | 02/04/91 | 02/24/91 | 03/15/92 | 470,926 | Dynamo-Electric Machine or Motor |
| 692. | 02/24/91 | 03/02/91 | 06/14/92 | 476,986 | Means for Propelling Electric Cars |
| 693. | 02/24/91 | 03/02/91 | 06/14/92 | 476,987 | Electric Locomotive |
| 694. | 03/04/91 | 03/23/91 | 12/29/91 | 465,973 | Armature for Dynamos or Motors |
| 695. | 03/04/91 | 03/26/91 | 03/15/92 | 470,927 | Driving Mechanism for Cars |
| 696. | 03/20/91 | 03/26/91 | 12/29/91 | 465,970 | Armature Connection for Motors or Generators |
| 697. | 03/20/91 | 04/04/91 | 02/16/92 | 468,950 | Commutator-Brush for Electric Motors and Dynamos |
| 698. | 06/03/91 | 06/09/91 | 05/24/92 | 475,491 | Electric Locomotive |
| 699. | 06/03/91 | 06/09/91 | 05/24/92 | 475,492 | Electric Locomotive |
| 700. | 06/03/91 | 06/09/91 | 05/24/92 | 475,493 | Electric Locomotive |
| 701. | 06/03/91 | 06/09/91 | 05/24/92 | 475,494 | Electric Railway |
| 702. | 07/31/91 | 08/14/91 | 06/14/92 | 476,988 | Lightning-Arrester |
| 703. | 07/31/91 | 08/14/91 | 06/14/92 | 476,989 | Conductor for Electric Railways |
| 704. | 07/31/91 | 08/14/91 | 11/28/93 | 509,518 | Electric Railway |
| 709. | 07/31/91 | 08/25/91 | 03/15/92 | 470,928 | Alternating-Current Generator |
| 710. | 07/31/91 | 08/25/91 | 06/14/92 | 476,990 | Electric Meter |
| 711. | 07/31/91 | 09/02/91 | 10/11/92 | 484,183 | Electrical Depositing-Meter |
| 712. | 07/31/91 | 10/01/91 | 06/14/92 | 476,993 | Electric-Arc Lamp |
| 721. | 10/08/91 | 10/10/91 | 03/15/92 | 470,930 | Dynamo-Electric Machine |
| 723. | 11/10/91 | 11/12/91 | 02/21/93 | 491,992 | Cut-Out for Incandescent Electric Lamps |
| 733. | 05/16/96 | 05/19/96 | 09/10/07 | 865,367 | Fluorescent Electric Lamp |
| 748. | 03/29/98 | 03/31/98 | 06/06/99 | 626,460 | Filament for Incandescent Lamps and Process of Manufacturing Same |
| 754. | 09/19/98 | 09/24/98 | 10/09/00 | 659,389 | Electric Meter |
| 756. | 02/06/99 | 03/17/99 | 12/14/00 | 663,015 | Electric Meter |
| 759. | 03/23/99 | 09/16/99 | 10/23/00 | 660,293 | Electric Meter |
| 784. | 09/28/00 | 10/15/00 | 06/24/02 | 703,051 | Electric Meter |
| 828. | 07/30/03 | 08/01/03 | 08/08/05 | 796,629 | Lamp-Guard |
| 914. | 05/28/07 | 05/31/07 | 12/07/15 | 1,163,329 | Filament for Incandescent Electric Lamps |
| 973. | 10/04/10 | 10/07/10 | 06/09/14 | 1,099,241 | Rectifier |
| 981. | 01/25/11 | 01/27/11 | 01/06/14 | 1,083,354 | Insulating Compound |
| 997. | 12/12/11 | 12/30/11 | 04/10/17 | 1,221,981 | Alternating-Current Rectifier |
| 1009. | 06/10/12 | 06/13/12 | 09/07/15 | 1,152,615 | Alternating-Current-Rectifying System |
| 1010. | 06/10/12 | 06/13/12 | 09/07/15 | 1,152,616 | Contact for Electrical Apparatus |
| 1029. | 10/13/14 | 10/16/14 | 05/21/18 | 1,266,779 | Electric Safety-Lantern |
| 1092. | 12/13/28 | 12/15/28 | 11/03/31 | 1,829,856 | Dynamo-Electric Machine |
