[D8370ZDE], Patent Application, Thomas Alva Edison, Sigmund Bergmann, November 13th, 1883
https://edisondigital.rutgers.edu/document/D8370ZDE
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Title
[D8370ZDE], Patent Application, Thomas Alva Edison, Sigmund Bergmann, November 13th, 1883
Editor's Notes
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
Type
Subject
Folder/Volume ID
D8370-F
Microfilm ID
70:1048
Document ID
D8370ZDE
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University