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All Patents in class 74/473.33
Patents 1 - 2 of 2
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PictureNumberDatePatenteeTitle
  2,209,469Jul. 30, 1940E.G. Roehm, L.F. NenningerOperating Control Mechanism for Milling Machines
  2,247,491Jul. 01, 1941H.E. Darby, H.C. Kemper, W.F. GroeneTransmission Shifter Mechanism
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