01/03/1881 Puskas and Saportas to Edison, Thomas Alva
(Cutting, Robert Livingston, Jr; Nottbeck, Charles) Patent assignments, licenses, and royalties; Telephone
[D8148]  Document File Series -- 1881: (D-81-48) Telephone -- Foreign -- Europe
[D8148C; TAEM 59:745]
Courtesy of Thomas Edison National Historical Park.