Url https://edisondigital.rutgers.edu/document/QCA11035 Resource class dctype:Text Title [QCA11035] Petition, January 23rd, 1875 Creator Harrington, George Subject Patent application Patent assignments, licenses, and royalties Multiple telegraphy (duplex, quadruplex) Publisher Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University Date 1875-01-23 Type Petition Identifier QCA11035 Source 9:191 Relation Edison, Thomas Alva Rights Thomas Edison National Historical Park Date Created 1875-01-23 Has Version https://archive.org/details/edisonmicrofilm9/page/n201/mode/1up Archive.org Viewer, Microfilm Series Reel 9 Is Part Of QCA11-F Recipient U.S. Patent Office. Commissioner Uri https://edisondigital.rutgers.edu/document/QCA11035 https://edisondigital.rutgers.edu/document/QCA11035 --