07/20/1882 Wurth, Charles Nicholaus -- Legal Statements and Testimony
(Gould (E.andR.J.); Batchelor, Charles; Gilliland, Ezra Torrance; Johnson, Edward Hibberd; Gray, Elisha; Dyer, George W; Kruesi, John; Edison, Thomas Alva) Dynamos and generators
[W100DGA]  National Archives, Washington, D.C.: Records of the Patent and Trademark Office (Record Group 241) -- Patent Interference Files -- Edison v. Lane v. Gray et al. -- Preliminary Statements and Testimony on Behalf of Edison
[W100DGA035; TAEM 0:0]
Courtesy of the National Archives.