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All Patents in class 157/1.49
Patents 1 - 2 of 2
First set of recordsLast set of records
NumberDatePatenteeTitleType
1,468,055Sep. 18, 1923W.I. TuttleValve-Grinding Apparatusvalve grinding tools
1,881,029Oct. 04, 1932E.M. PfauserSocket Wrenchsocket wrenches
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