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All Patents in class 460/88
Patents 1 - 5 of 5
First set of recordsLast set of records
PictureNumberDatePatenteeTitle
542Dec. 29, 1837H.A. Pitts, J.A. PittsMachine for Thrashing and Separating Grain
2,192Jul. 23, 1841I. WilsonCylinder-mill for granulating corn, powder, bark, and other substances
  6,235Mar. 27, 1849D. WoodburyImprovement in Grain Separators
  219,051Aug. 26, 1879M. WilliamsThrashing Machine
  1,357,275Nov. 02, 1920H.C. ClaySeparator
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