Printing-Telegraphs, July 01, 1873

Item

Title
Printing-Telegraphs, July 01, 1873
Author
Thomas A. Edison
Date Executed
1873-02-13
Date Filed
1873-02-18
Date Issued
1873-07-01
Type
Patent Issued
Subject
Telegraphy and Telephony
Document ID
PAT140487
Has Format
https://iiif.archive.org/iiif/edisonpatent140487/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