Process of Treating Phonogram-Blanks, July 09, 1889

Item

Title

Process of Treating Phonogram-Blanks, July 09, 1889

Author

Thomas A. Edison

Date Executed

1889-02-01

Date Filed

1889-02-11

Date Issued

1889-07-09

Type

Patent Issued

Subject

Phonographs and Sound Recording

Document ID

PAT406571

Has Format

https://iiif.archive.org/iiif/edisonpatent406571/manifest.json

Rights

Edison's patents are in the public domain and have been made available through the generosity of David Kovanen.

Publisher

The Thomas A. Edison Papers