Phonogram-Blank, April 02, 1889
Item
- Title
- Phonogram-Blank, April 02, 1889
- Author
- Thomas A. Edison
- Date Executed
- 1888-07-27
- Date Filed
- 1888-07-30
- Date Issued
- 1889-04-02
- Type
- Patent Issued
- Subject
- Phonographs and Sound Recording
- Document ID
- PAT400648
- Has Format
- https://iiif.archive.org/iiif/edisonpatent400648/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