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All Patents of Type: taper gauges
Patents 1 - 5 of 5
First set of recordsLast set of records
NumberDatePatenteeTitleType
22,564Jan. 11, 1859J. MarvinTaper-Gage for Carpenterstaper gauges
2,581,001Jan. 01, 1952E.S. CornellTaper gaugetaper gauges
2,746,158May 22, 1956G.L. GershmanTaper micrometermicrometers
3,230,630Jan. 25, 1966G.L. GershmanInternal taper micrometermicrometers
3,327,399Jun. 27, 1967G.L. GershmanDatum line taper micrometermicrometers
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