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Patents for Frank L. Entwisle
Patents 1 - 2 of 2
First set of recordsLast set of records
NumberDatePatenteeTitleType
404,769Jun. 04, 1889E.S. BoyntonWrenchalligator wrenches
404,770Jun. 04, 1889E.S. BoyntonImprovement in Alligator-Wrenchesscrew adjust wrenches
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