Telephone-Repeater, July 12, 1892

Item

Title
Telephone-Repeater, July 12, 1892
Author
Thomas A. Edison
Date Executed
1884-12-31
Date Filed
1885-10-14
Date Issued
1892-07-12
Type
Patent Issued
Subject
Telegraphy and Telephony
Document ID
PAT478743
Has Format
https://iiif.archive.org/iiif/edisonpatent478743/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