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All Patents in class 101/350.1
Patents 1 - 3 of 3
First set of recordsLast set of records
PictureNumberDatePatenteeTitle
38,200Apr. 14, 1863W. BullockPrinting-machine
  671,861Apr. 09, 1901F.X. HooperPrinting-machine
2,905,087Sep. 22, 1959E.G. FarrellPrinting mechanism
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