EINSTEIN, Albert and Gustav BUCKY. Assignment in regards to letters Patent No. 2058562 signed ("Albert Einstein"). New York, 5 December 1936. 2 pages, board folder. "Assignment. In Consideration of the sum of One Dollar ($ 1.00) and other good and valuable considerations... the undersigned, Gustav Bucky... and Albert Einstein... hereby sell, assign, transfer, convey and set over unto Roefinag Research Corporation, a corporation of the State of New York, all their right, title and interest in, to or under United States Letters Patent No. 2058562 of October 27, 1936, for a Light Intensity Self-Adjusting Camera..." -- [With]: United States Patent Office 2,058,562. Matted and framed. (2)