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 637
an-tially as set forth. 2. The combination, with the receiving-sounders in one line, of repeating-instruments,local circuits and switches, and transmitting-instruments in the other line, arranged andoperating substantially as and for the pur-poses set forth. Signed by me this 24th day of February,… … United States Patent Office. THOMAS A. EDISON, OF MENLO PAEK, NEW JEBSEY, ASSIGNOB OF ONE-HALF INTEBEST TO OEOEOE B. PEESCOTT. IMPROVEMENT IN QU A D RU P LEX-TELE G RAPH REPEATERS. Specification forming part of Letters Patent No. 209,241, dated October 22, 1878; Eeissne No. 8,906, datedSeptember…
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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