03/07/1876 Edison, Thomas Alva -- Circulars and Brochures
(Edison's Electric Pen and Duplicating Press Co; Yeaton, Lily G; Yeaton, Charles C; Allen, Frank W; Doremus, Thomas C, Jr) Stocks, bonds, and investments; Electric pen and mimeograph [Cover Document and Attachment]
[W100CAN]  National Archives, Washington, D.C.: Records of the Patent and Trademark Office (Record Group 241) -- Libers of Patent Assignments -- Prospectus & Incorporation Papers: Edison Pen & Press Co (1876)
[W100CANA; TAEM 0:0]
Courtesy of the National Archives.