Url https://edisondigital.rutgers.edu/document/CL219ABI Resource class dctype:Text Title [CL219ABI], Letter from Frank Lewis Dyer to Thomas Alva Edison, April 4th, 1909 Creator Dyer, Frank Lewis Subject Competition and market structure Litigation Patent assignments, licenses, and royalties Publisher Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University Date 1909-04-04 Type Letter Identifier CL219ABI Source 217:81 Relation New York Phonograph Co Columbia Phonograph Co North American Phonograph Co Hazel, John Raymond Roosevelt, Theodore Gilmore, William Edgar Rights Thomas Edison National Historical Park Date Created 1909-04-04 Has Version https://archive.org/details/edisonmicrofilm217/page/n90/mode/1up Archive.org Viewer, Microfilm Series Reel 217 Is Part Of CL219-F Recipient Edison, Thomas Alva Uri https://edisondigital.rutgers.edu/document/CL219ABI https://edisondigital.rutgers.edu/document/CL219ABI --