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[PT5123], Patent Application, Thomas Alva Edison, August 23rd, 1920

Title: [PT5123], Patent Application, Thomas Alva Edison, August 23rd, 1920
Author: Edison, Thomas Alva
Date: 1920-08-23
Type: Patent Application
Subject: Metals and minerals
Folder ID: PT5123-F
Microfilm ID: 247:447
Document ID: PT5123
URL: https://edisondigital.rutgers.edu/document/PT5123
Rights: Thomas Edison National Historical Park
Publisher: Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University
Has Version: Archive.org Viewer, Microfilm Series Reel 247