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All Patents in class 310/188
Patents 1 - 5 of 5
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PictureNumberDatePatenteeTitle
  315,179Apr. 07, 1885F.J. SpElectric Dynamic Motor
  315,180Apr. 07, 1885F.J. SpragueElectro Dynamic Motor
  315,181Apr. 07, 1885F.J. SpragueElectric Motor and Generator
1,104,184Jul. 21, 1914V.A. FynnDynamo-electric machine
  1,238,213Aug. 28, 1917H.R. StuartElectric generator and motor
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