Printing-Telegraphs, May 20, 1873
Item
- Title
- Printing-Telegraphs, May 20, 1873
- Author
- Thomas A. Edison
- Date Executed
- 1873-01-21
- Date Filed
- 1873-02-18
- Date Issued
- 1873-05-20
- Type
- Patent Issued
- Subject
- Telegraphy and Telephony
- Document ID
- PAT139128
- Has Format
- https://iiif.archive.org/iiif/edisonpatent139128/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