[QD012E2279], Letter from U.S. Patent Office to Thomas Alva Edison, Richard Nott Dyer, June 27th, 1885

Item

Abstract

Amendment to patent application, seeking to more broadly define invention, is rejected. Refers to 11 Dec. 1879 carbon filament appn.

Date

1885-06-27

Decade

1880-1889

Type

Identifier

QD012E2279

Folder Set

QD012E

Title

[QD012E2279], Letter from U.S. Patent Office to Thomas Alva Edison, Richard Nott Dyer, June 27th, 1885

Microfilm ID

47:962

Publisher

Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University