Url https://edisondigital.rutgers.edu/document/PT5067 Resource class dctype:Text Title [PT5067], Patent Application, Thomas Alva Edison, February 28th, 1913 Creator Edison, Thomas Alva Subject Disc phonograph Publisher Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University Date 1913-02-28 Type Patent Application Identifier PT5067 Source 246:351 Relation U.S. Patent Office Dyer and Holden Gramophone Co Johnson, Eldridge Reeves Dyer, Frank Lewis English, John C Macdonald, Thomas Hood Holden, Delos Lewis, Frank David Laidlaw, Mary J Hardy, William Abbott Moore, Edward Bruce Ewing, Thomas, III Rights Thomas Edison National Historical Park Date Created 1913-02-28 Has Version https://archive.org/details/edisonmicrofilm246/page/n361/mode/1up Archive.org Viewer, Microfilm Series Reel 246 Is Part Of PT5067-F Uri https://edisondigital.rutgers.edu/document/PT5067 https://edisondigital.rutgers.edu/document/PT5067 --