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All Patents in class 33/632
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
407,617Jul. 23, 1889F.A. SeaverCentering Devicecenter marking gauges
1,406,262Feb. 14, 1922M.R. KronertTool for Laying Out Keywaysspecial purpose gauges
1,422,746Jul. 11, 1922K.W. CouseKeyway Locatorcenter finders
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