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All Patents in class 318/146
Patents 1 - 3 of 3
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PictureNumberDatePatenteeTitle
  264,981Sep. 26, 1882E. WestonSystem for the Electrical Transmission of Power
  272,365Feb. 13, 1883E. WestonSystem for the Electrical Transmission of Power
  2,119,715Jun. 07, 1938I.O. MinerMotor Control
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