Url https://edisondigital.rutgers.edu/document/PT5080 Resource class dctype:Text Title [PT5080], Patent Application, Thomas Alva Edison, April 28th, 1914 Creator Edison, Thomas Alva Subject Disc record and duplicating technology Publisher Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University Date 1914-04-28 Type Patent Application Identifier PT5080 Source 246:706 Relation U.S. Patent Office Dyer and Holden New Jersey Patent Co Aylsworth, Jonas Walter Bachman, Frederick Laidlaw, Mary J Brophy, J A Ewing, Thomas, III Rights Thomas Edison National Historical Park Date Created 1914-04-28 Has Version https://archive.org/details/edisonmicrofilm246/page/n716/mode/1up Archive.org Viewer, Microfilm Series Reel 246 Is Part Of PT5080-F Uri https://edisondigital.rutgers.edu/document/PT5080 https://edisondigital.rutgers.edu/document/PT5080 --