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All Patents in class 173/93.7
Patents 1 - 7 of 7
First set of recordsLast set of records
NumberDatePatenteeTitleType
1,054,687Mar. 04, 1913T.H. GriggWrenchwrench handle components
1,743,505Jan. 14, 1930E. TurgeonScrewdriverscrewdrivers
1,761,156Jun. 03, 1930F.R. RosanTurning Tool Applicable to Remove Refractory Screwsscrew extractors
1,941,565Jan. 02, 1934S. MandlSocket Wrenchwrenches
2,507,167May 09, 1950D.R. LemmermanRotary Impact Type Turning Toolscrew extractors
2,514,732Jul. 11, 1950E.T. Thompsonville trust Co., E. TurgeonImpact Screwdriverscrewdrivers
2,543,441Feb. 27, 1951G.F. GrummyImpact Screwdriverscrewdrivers
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