Url https://edisondigital.rutgers.edu/document/PT015AAJ Resource class dctype:Text Title [PT015AAJ], Letter from U.S. Patent Office. Commissioner to Dyer and Seely, Thomas Alva Edison, March 1st, 1889 Creator U.S. Patent Office. Commissioner Subject Patent application Phonoplex and railroad telegraphy Publisher Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University Date 1889-03-01 Type Letter Identifier PT015AAJ Source 45:609 Rights Thomas Edison National Historical Park Date Created 1889-03-01 Has Version https://archive.org/details/edisonmicrofilm45/page/n621/mode/1up Archive.org Viewer, Microfilm Series Reel 45 Is Part Of PT015-F Recipient Dyer and Seely Edison, Thomas Alva Uri https://edisondigital.rutgers.edu/document/PT015AAJ https://edisondigital.rutgers.edu/document/PT015AAJ --