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All Patents of Type: electrical devices
Patents 1 - 15 of 29
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NumberDatePatenteeTitleType
159,028Jan. 26, 1875G.F. GreenImprovement in electro-magnetic dental toolselectrical devices
372,012Oct. 25, 1887I.W. ColburnElectrical resistance-boardelectrical devices
413,292Oct. 22, 1889E. ThomsonElectric measuring-instrumentelectrical devices
442,705Dec. 16, 1890A.W. MestonElectric meterelectrical devices
470,204Mar. 08, 1892C.R. Meston, A.W. MestonElectric cut-out and safety deviceelectrical devices
530,597Dec. 11, 1894A.W. MestonAlternating-current transformerelectrical devices
626,927Jun. 13, 1899C.C. PerkinsIncandescent-lamp socketelectrical devices
829,974Sep. 04, 1906J.C. LincolnElectrically Operated Mine Door Actuating Mechanismelectrical devices
838,547Dec. 18, 1906A. KimbleElectric motor and method of controlling the sameelectric motors
928,394Jul. 20, 1909H.I. Finch, C.R. MestonRheostatelectrical devices
957,587May 10, 1910H. WeichselStarting device for electrical motorselectrical devices
1,050,960Jan. 21, 1913J.C. LincolnElectrical Reciprocating Mechanismelectrical devices
1,108,087Aug. 18, 1914E.M. TornminAutomobile generator for operating headlightselectrical devices
1,115,835Nov. 03, 1914A. Kimble, J.D. NiesElectric controllerelectrical devices
1,116,871Nov. 10, 1914D.M. BlissMethod and means for reducing sparking in electrical apparatuselectrical devices
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