Collection of United States patents granted to Thomas A. Edison, 1869-1884 (1869)
Edison, Thomas A. (Thomas Alva), 1847-1931, Peters, N. (Norris), lithographer, Hammer, William Joseph, 1858-1934, former owner. DSI, Edison, Thomas A. (Thomas Alva), 1847-1931, inscriber. DSI, United States. Patent Office · Washington, D.C. : U.S. Patent Office · leaf 255
2 Sheets — Sheet 2. T. A. EDISON.Improvement in Apparatus for Perforating Paper for Telegraphic Use. No. 132,456. Patented Oct. 22, 1872. COG Ooooocooooo ooo o c o o … United States Patent Office. THOMAS A. EDISON, OF NEWARK, NEW JERSEY, ASSIGNOR TO HIMSELFAND GEORGE HARRINGTON, OF WASHINGTON, D. 0. IMPROVEMENT IN APPARATUS FOR PERFORATING PAPER FOR TELEGRAPHIC USE. Specification forming part of Letters Patent No. 132,456, dated October 22, 1872. To all whom it…
Trade catalogs · Patents · Edison, Thomas A. (Thomas Alva), 1847-1931 · Inventions · Telegraph · Electric machinery · Electric apparatus and appliances · Phonograph · Telephone · Motors
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