Url https://edisondigital.rutgers.edu/document/QCE02309 Resource class dctype:Text Title [QCE02309] 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 QCE02309 Source 10:872 Relation Edison, Thomas Alva Rights Thomas Edison National Historical Park Date Created 1875-01-23 Has Version https://archive.org/details/edisonmicrofilm10/page/n881/mode/1up Archive.org Viewer, Microfilm Series Reel 10 Is Part Of QCE02-F Recipient U.S. Patent Office. Commissioner Uri https://edisondigital.rutgers.edu/document/QCE02309 https://edisondigital.rutgers.edu/document/QCE02309 --