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All Patents in class 254/103
Patents 1 - 9 of 9
First set of recordsLast set of records
878,522Feb. 11, 1908F.L. GormleyLifting Jackjack screws
1,052,921Feb. 11, 1913I.E. HindmanLifting-jack
1,054,413Feb. 25, 1913I.E. HindmanLifting-jackautomobile mechanic
1,089,703Mar. 10, 1914I.E. HindmanFriction clutch for screw-jacksindustrial machine clutches
1,228,210May 29, 1917I.E. HindmanScrew-jackautomobile mechanic
1,234,334Jul. 24, 1917I.E. HindmanBrake mechanism for lifting-jacksautomobile mechanic
1,343,732Jun. 15, 1920G.O. LeopoldLifting jack
1,395,340Nov. 01, 1921F.L. GormleySpeed Retarding Device for Lifting Jackslifting tools
1,395,341Nov. 01, 1921F.L. GormleySelf Lowering Jacklifting tools
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