Treating Carbons for Electric Lamps, March 22, 1881

Title: Treating Carbons for Electric Lamps, March 22, 1881
Author: Thomas A. Edison
Date Executed: 1880-10-15
Date Filed: 1880-10-30
Date Issued: 1881-03-22
Type: Patent Issued
Subject: Electric Light and Power
Document ID: PAT239148
Has Format: https://iiif.archive.org/iiif/edisonpatent239148/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