Telephone, July 09, 1889

Item

Title
Telephone, July 09, 1889
Author
Thomas A. Edison
Date Executed
1886-01-28
Date Filed
1886-02-19
Date Issued
1889-07-09
Type
Patent Issued
Subject
Telegraphy and Telephony
Document ID
PAT406567
Has Format
https://iiif.archive.org/iiif/edisonpatent406567/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