Letter from U.S. Patent Office. Commissioner to Thomas Alva Edison, Dyer and Seely, September 22nd, 1886

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Author(s)

U.S. Patent Office. Commissioner
Recipient(s)
Dyer and Seely
Edison, Thomas Alva
Others Mentioned

Subject(s)

Phonoplex and railroad telegraphy
Patent application

Dated

1886-09-22 (1886)

Associated Images

2

Identifier

PT016AAD (legacy)

Rights

Thomas Edison National Historical Park

Publisher

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

Citation

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