10/18/1922 Edison, Thomas Alva, Jr -- Patents -- Applications
(U.S. Patent Office; Boetsch, Blanche; Robertson, Thomas E; Edison (Thomas A.) Inc; Allen, Ralph Henry; Lanahan, Henry; Hardy, William Abbott) Automobiles and trucks; Engines, boilers, prime movers
[PT5129]  Patent Series -- Patent Application Folios: Ignition Timer (T. A. Edison, Jr.) (1922)
[PT5129; TAEM 247:528]
Courtesy of Thomas Edison National Historical Park.
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