Url https://edisondigital.rutgers.edu/document/LB006664A Resource class dctype:Text Title [LB006664A], Letter from Thomas Alva Edison to Uriah Hunt Painter, December 14th, 1880 Creator Edison, Thomas Alva Subject Patent infringement Multiple telegraphy (duplex, quadruplex) Publisher Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University Date 1880-12-14 Type Letter Identifier LB006664A Source 80:436 Relation U.S. Patent Office Batchelor, Charles Wilber, Zenas Fisk Rights Thomas Edison National Historical Park Date Created 1880-12-14 Has Version https://archive.org/details/edisonmicrofilm80/page/n446/mode/1up Archive.org Viewer, Microfilm Series Reel 80 Is Part Of LB006-F Recipient Painter, Uriah Hunt Uri https://edisondigital.rutgers.edu/document/LB006664A https://edisondigital.rutgers.edu/document/LB006664A --