Rolls, November 21, 1899
Item
- Title
- Rolls, November 21, 1899
- Author
- Thomas A. Edison
- Date Executed
- 1897-05-14
- Date Filed
- 1897-07-16
- Date Issued
- 1899-11-21
- Type
- Patent Issued
- Subject
- Mining and Ore Milling
- Document ID
- PAT637327
- Has Format
- https://iiif.archive.org/iiif/edisonpatent637327/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