Patent US884645 - SYSTEM FOB ELECTBIC RAILWAYS

Patents

Inventors: ARTHUR C. EASTWOOD, ARTHUR C. EASTWOOD
Current U.S. Classification: 290/3; 105/61; 191/49

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Citing Patent	Filing date	Issue date	Original Assignee	Title
US4127169	6 Sep 1977	28 Nov 1978	E. Sam Tubin	Secondary oil recovery method and system
US4185691	24 Apr 1978	29 Jan 1980	E. Sam Tubin	Secondary oil recovery method and system