Process of Making Phonogram-Blanks, November 27, 1888

Item

Title

Process of Making Phonogram-Blanks, November 27, 1888

Author

Thomas A. Edison

Date Executed

1888-04-28

Date Filed

1888-05-07

Date Issued

1888-11-27

Type

Patent Issued

Subject

Phonographs and Sound Recording

Document ID

PAT393462

Has Format

https://iiif.archive.org/iiif/edisonpatent393462/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