[PT014AAH], Letter from U.S. Patent Office. Commissioner to Thomas Alva Edison, Dyer and Seely, November 2nd, 1886

Item

Author

U.S. Patent Office. Commissioner

Recipient

Dyer and Seely
Edison, Thomas Alva

Date

1886-11-02

Decade

1880-1889

Type

Letter

Subject

Patent application
Phonoplex and railroad telegraphy

Identifier

PT014AAH

Folder Set

PT014

Title

[PT014AAH], Letter from U.S. Patent Office. Commissioner to Thomas Alva Edison, Dyer and Seely, November 2nd, 1886

Microfilm ID

45:574

Rights

Thomas Edison National Historical Park

Publisher

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

Item sets

Case 663 Railway Signaling (1886)