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 833
(No Model.) T. A. EDISON.Electric Lamp. No. 239,745. Patented April 5,1881. … N.PETERS, PHOTO-UTHOOflAPHER.1 WASHINGTON. 0.0. United States Patent Office. THOMAS A. EDISON, OF MENLO PABK, NEW JEESEY.ELECTRIC LAMP. SPECIFICATION forming part of Letters Patent No. 239,745, dated April 5, 1881. Application filed August 17, I860. (No model.) To all whom it may concern: Be it…
Trade catalogs · Patents · Edison, Thomas A. (Thomas Alva), 1847-1931 · Inventions · Telegraph · Electric machinery · Electric apparatus and appliances · Phonograph · Telephone · Motors
Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.
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