Telephone, May 09, 1882

Item

Title
Telephone, May 09, 1882
Author
Thomas A. Edison
Date Executed
1881-09-07
Date Filed
1881-10-17
Date Issued
1882-05-09
Type
Patent Issued
Subject
Telegraphy and Telephony
Document ID
PAT257677
Has Format
https://iiif.archive.org/iiif/edisonpatent257677/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