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Patents for Efficient Vise and Wrench Co.
Patents 1 - 2 of 2
First set of recordsLast set of records
NumberDatePatenteeTitleType
1,293,734Feb. 11, 1919W.S. DuCharmePipe Wrenchpipe wrenches
1,293,735Feb. 11, 1919W.S. DuCharmeTurret Head Wrenchnut wrenches
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