Telephone-Transmitter, February 14, 1888
Item
- Title
- Telephone-Transmitter, February 14, 1888
- Author
- Thomas A. Edison
- Date Executed
- 1885-01-09
- Date Filed
- 1885-10-14
- Date Issued
- 1888-02-14
- Type
- Patent Issued
- Subject
- Telegraphy and Telephony
- Document ID
- PAT378044
- Has Format
- https://iiif.archive.org/iiif/edisonpatent378044/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