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All Patents in class 460/107
Patents 1 - 3 of 3
First set of recordsLast set of records
PictureNumberDatePatenteeTitle
  4,530XSep. 08, 1826A. DouglasMachine for threshing and cleaning grain
  9,053XAug. 27, 1835J. GearhartGrain thrashing machine
  9,363XFeb. 05, 1836L.H. MansThrashing machine
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