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Patents for Henry Wheaton Hewet
Patents 1 - 4 of 4
First set of recordsLast set of records
1,301Aug. 24, 1839H.W. HewetImproved Screw-Wrenchnut wrenches
1,659Jun. 27, 1840H.W. HewetScrew Wrenchnut wrenches
41,995Mar. 22, 1864H.W. HewetHewet Union Wrenchnut wrenches
87,774Mar. 16, 1869H.W. HewetMode of Constructing a Tubular Adjusting Screw-Wrenchnut wrenches
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