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All Patents in class 188/151R
Patents 1 - 11 of 11
First set of recordsLast set of records
NumberDatePatenteeTitleType
22,122Nov. 23, 1858J. HydeScrew-Wrenchnut wrenches
301,091Jul. 01, 1884W.A. CampbellSteam-brake for saw-mill carriagessawmill carriages
358,534Mar. 01, 1887J.R. Bisbee, F.G. BisbeeBrake for Stationary Enginessteam engine brakes
1,324,367Dec. 09, 1919E.W. ZehPower-pressscrew presses
1,766,236Jun. 24, 1930F.N. WhitesellAutomatic Hoisting Apparatushoists, winches, come-alongs
2,257,771Oct. 07, 1941L.R. WilliamsonBrakemetalworking presses
2,378,304Jun. 12, 1945M.T. KnutzenControl means for power operated machinery
2,465,942Mar. 29, 1949V.v. SundtHeadstock control mechanism for machine toolsmetal lathes
2,500,562Mar. 14, 1950L. OliverCentrifugally Operated Mechanismmetalworking machine mechanisms
2,559,925Jul. 10, 1951C.W. BarkerWork holder devicebench vises
2,636,579Apr. 28, 1953M. De HaasTailstock Spindle Clamping Devicemetal lathe mechanisms
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