Process of Making Phonogram-Blanks, May 08, 1888

Item

Title
Process of Making Phonogram-Blanks, May 08, 1888
Author
Thomas A. Edison
Date Executed
1888-01-30
Date Filed
1888-02-04
Date Issued
1888-05-08
Type
Patent Issued
Subject
Phonographs and Sound Recording
Document ID
PAT382417
Has Format
https://iiif.archive.org/iiif/edisonpatent382417/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