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 969
pedexterior, and a tubular wire-support providedat its lower end with a knob or enlargement,and fitting tightly within the perforation ofthe stopper, all adapted and arrauged to mam-tain a tight joint and to determine the positionof the carbon within the globe, substantiallyas set forth. This… … WITNESSES: INVENTOR: BY ATTORNEYS. United States Patent Office. THOMAS A. EDISON, OP MENLO PAEK, NEW JEESEY, ASSIGNOR TO THEEDISON ELECTRIC LIGHT COMPANY, OF NEW YORK, N. Y. MANUFACTURE OF ELECTRIC LAMPS. SPECIFICATION forming part of Letters Patent No. 251,544, dated December 27, 1881.Application…
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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