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 911
a seal-ing-tube, substantially as shown and described. 2. In a Sprengel or drop pump, a drop-tubeconnected to a reservoir and provided with a 90contraction, and a separate drop-tube connect-ed to the body to be exhausted and to the firstdrop-tube, substantially as set forth. This specification… … f\j J E5 J : I |s| VE|slTD ^ = United States Patent Office. THOMAS A. EDISON, OF MENLO PARK, NEW JERSEY, ASSIGNOR TO THEEDISON ELECTRIC LIGHT COMPANY, OF NEW YORK, N. Y. GOVERNOR FOR ELECTRIC ENGINES. SPECIFICATION forming part of Letters Patent No. 248,434, dated October 18, 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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