[HX90088], Agreement, Thomas Alva Edison, Edison General Electric Co, North American Co, October 1st, 1890
Patent assignments, licenses, and royalties
[HX90-F] Legal Series -- Miscellaneous Legal File
https://edisondigital.rutgers.edu/document/HX90088
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University
Archive.org Viewer, Microfilm Series Reel 145