[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

Folder/Volume ID

D8370-F

Microfilm ID

70:1048

Document ID

D8370ZDE

Publisher

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