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Patents for Otis D. Swett
Patents 1 - 2 of 2
First set of recordsLast set of records
NumberDatePatenteeTitleType
608,202Aug. 02, 1898A.M. KlecknerPipe Wrenchpipe wrenches
640,308Jan. 02, 1900H.E. KochWrenchpipe tongs
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