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All Patents in class 318/459
Patents 1 - 3 of 3
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PictureNumberDatePatenteeTitle
  264,983Sep. 26, 1882E. WestonSystem for the Electrical Transmission of Power
  266,239Oct. 17, 1882E. WestonSystem for the Electrical Transmission of Power
1,016,661Feb. 06, 1912N. WilkinsonCircuit-controlling apparatus
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