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 1463
as set forth. 4. The combination, with a source of elec- 90trical energy, of main conductors leading there-from, translating devices in circuit from saidmain conductors, a compensating-conductor,aud an adjustable resistance in each of saidmain conductors, substantially as set forth. 95 This… … United States Patent Office. THOMAS A. EDISON, OF MENLO PAEK, NEW JEESEY.MOLD FOR CARBONIZING. SPECIFICATION forming part of Letters Patent No. 274,291, dated March 20, 1883, Application filed December 8, 1882. (No model.) To all whom it may concern : Be it known that I, Thomas A. Edison, ofMenlo…
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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