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All Patents of Type: jack screws
Patents 1 - 5 of 5
First set of recordsLast set of records
364,373Jun. 07, 1887M. ReischJack Screwjack screws
878,522Feb. 11, 1908F.L. GormleyLifting Jackjack screws
1,272,589Jul. 16, 1918W.A. WhitneyBall Bearing Jackjack screws
1,395,945Nov. 01, 1921A.E. ClementsCombined Jack and Pullerjack screws
1,417,254May 23, 1922D.C. KlausmeyerSafety Lifting Jackjack screws
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