Swaging-Machine, January 21, 1919
Item
- Title
- Swaging-Machine, January 21, 1919
- Author
- Thomas A. Edison
- Date Executed
- 1917-06-26
- Date Filed
- 1917-06-29
- Date Issued
- 1919-01-21
- Type
- Patent Issued
- Subject
- Phonographs and Sound Recording
- Document ID
- PAT1292277
- Has Format
- https://iiif.archive.org/iiif/edisonpatent1292277/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