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 903
4). lOjMirK 5), (No Model.) No. 248,432. 2 Sheets—Sheet 2. T. A. EDISON. MAGNETIC SEPARATOR. Patented Oct. 18,1881. … United States Patent Office. THOMAS A. EDISON, OF MENLO PARK, NEW JERSEY, ASSIGNOR TO EDISONORE MILLING COMPANY, (LIMITED,) OF NEW YORK, N. Y. MAGNETIC SEPARATOR. SPECIFICATION forming- part of Letters Patent No. 248,432, dated October 18, 1881. Application filed August 6, 1880. (Ho model.) To all…
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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