[D8370ZDE], Patent Application, Thomas Alva Edison, Sigmund Bergmann, November 13th, 1883

Item

Abstract

TAE and Bergmann telephone improvements patent. Listing of the claims for this patent application. There are 7 claims written in this document.

Date

1883-11-13

Decade

1880-1889

Identifier

D8370ZDE

Folder Set

D8370

Title

[D8370ZDE], Patent Application, Thomas Alva Edison, Sigmund Bergmann, November 13th, 1883

Microfilm ID

70:1048

Publisher

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

Item sets