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All Patents of Type: electric motors
Patents 1 - 15 of 213
First set of recordsNext set of recordsLast set of records
26,558Dec. 27, 1859G.W. BeardsleeImproved magneto-electric machineelectric motors
96,332Nov. 02, 1869G. LittleImprovement in Electro-Magnetic Motorselectric motors
CA-686Nov. 05, 1870H. WoodImprovement in electro magnetic machines and magnetselectric motors
CA-919Apr. 11, 1871A. Ross, M.H. UtleyImprovements on electro-magnetic motorselectric motors
138,855May 13, 1873S.C. CarterElectro-Magnetic Motorselectric motors
171,087Dec. 14, 1875J. BishopElectro Magnetic Engineselectric motors
261,712Jul. 25, 1882W. HochhausenCommutator for Dynamo-Electric Machineselectric motors
269,605Dec. 26, 1882E. ThomsonDynamo Electric Machineelectric motors
271,175Jan. 23, 1883F.B. Crocker, C.G. Curtis, S.S. WheelerElectric Motorelectric motors
283,546Aug. 21, 1883E. WestonElectro-magnetic motorelectric motors
289,197Nov. 27, 1883E. WestonSafety Cut-Out for Electric Magnetic Motorselectric motors
293,556Feb. 12, 1884W. BradburyElectric Motorelectric motors
295,454Mar. 18, 1884F.J. SpragueElectro Dynamic Motorelectric motors
302,554Jul. 29, 1884W.K. FreemanArmature for Dynamo Electric Machines or Motorselectric motors
302,555Jul. 29, 1884W.K. FreemanArmature for Dynamo Electric Machines or Motorselectric motors
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