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All Patents in class 86/20.1
Patents 1 - 2 of 2
First set of recordsLast set of records
NumberDatePatenteeTitleType
1,659Jun. 27, 1840H.W. HewetScrew Wrenchnut wrenches
491,847Feb. 14, 1893B.S. MilesBarrel-heading pressbarrel making machines
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