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Patents for Thomas B. McGregor
Patents 1 - 9 of 9
First set of recordsLast set of records
NumberDatePatenteeTitleType
562,497Jun. 23, 1896F.S. SmithWrenchquick adjust wrenches
564,587Jul. 28, 1896W. BlackSandpapering-machinesanding machines
575,734Jan. 26, 1897J.M. RauhoffDrilling or similar toolspiral screwdrivers
575,988Jan. 26, 1897J.M. RauhoffClutchfriction clutches
588,879Aug. 24, 1897J.M. RauhoffToolspiral screwdrivers
662,390Nov. 27, 1900W. BlackMortising-machinemortising machines
667,411Feb. 05, 1901W.L. Peterson, S.S. VaughanWire Cutterspliers
692,345Feb. 04, 1902J.M. RauhoffWashing-machinewashing machines
699,013Apr. 29, 1902J.M. RauhoffMechanism for converting motion
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