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 977
vice maintainingc rcuit there-through after the armature has been with-drawn from its back-stop, and a latch lockingthereupon the armature against reclosure onits back stop, the fusible circuit device itself 60beiug thereafter ruptured by the flow of cur-rent therethrough, substantially as set… … N PETERS, Photo-Lithographer. Washington, D. C. United States Patent Office. THOMAS A. EDISON, OF MENLO PARK, NEW JERSEY, ASSIGNOR TO THEEDISON ELECTRIC LIGHT COMPANY, OP NEW YORK, N. Y. ELECTRIC LAMP. SPECIFICATION forming part of Letters Patent No. 251,546, 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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