05/26/1919 Edison, Thomas Alva, Jr -- Patents -- Applications
(U.S. Patent Office; Stalker, Jessie E; Holden, Delos; Hardy, William Abbott; Ecometer Manufacturing Co [supplied or conjectured]; Newton, James Thornwell; Fisher, H Q) Automobiles and trucks; Engines, boilers, prime movers
[PT5108]  Patent Series -- Patent Application Folios: Trademark. "Ecometer" (T. A. Edison, Jr.) (1919)
[PT5108; TAEM 247:292]
Courtesy of Thomas Edison National Historical Park.
no Images for this Document