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All Patents in class 74/424.94
Patents 1 - 9 of 9
First set of recordsLast set of records
NumberDatePatenteeTitleType
201,372Mar. 19, 1878J.B. WestImprovement in screw-driversspiral screwdrivers
788,716May 02, 1905F.E. Walden, R.A. HammondWorm Gearingvise mechanisms
825,151Jul. 03, 1906J.F. McLeanUnusual Quick Acting Visevises
1,275,855Aug. 13, 1918J.L. CoppingMonkey Wrenchscrew adjust wrenches
1,518,707Dec. 09, 1924F.H. SleeperPlaner or shapermetal planers
1,912,525Jun. 06, 1933C.F. Hotchkiss, Jr.Pipe Cleaning Toolpipe and orifice cleaners
2,430,458Nov. 11, 1947L.F. FarrellAutomatic screw controlbench vises
2,616,302Nov. 04, 1952G.A. WahlmarkAntifriction transmission
3,121,340Feb. 18, 1964M.L. AnthonyResilient Nut for Averaging Out Lead Screw Errormetalworking machine mechanisms
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