08/23/1882 Dyer, Richard Nott to U.S. Patent Office. Commissioner
(Edison, Thomas Alva) Patent application; Carbon, coal, glass, ceramics; Incandescent lamp
[QD012E]  Litigation Series -- Printed Court Records -- Edison Electric Light Company v. United States Electric Lighting Company(1885-1892): Defendant's Depositions and Exhibits [Vol. IV]
[QD012E2835; TAEM 47:1232]
Courtesy of Thomas Edison National Historical Park.