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All Patents in class 408/4
Patents 1 - 15 of 25
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NumberDatePatenteeTitleType
1,337Sep. 25, 1839C. WhitsittRotary Saw for Cutting Round Tenons, &c.hollow bits
1,679,027Jul. 31, 1928C. Gabrielson, A. MeldrumDrilling machinedrill presses
1,909,766May 16, 1933W.M. Fairbairn, A.M. JohnsonMachine tooltapping machines
1,918,150Jul. 11, 1933G. Swahnberg, E.J. KingsburyMultiple head automatic drilling machinemultiple spindle drill presses
1,948,618Feb. 27, 1934D.C. KlausmeyerInterlocked arm clamp and elevating controlradial drill presses
1,956,540Apr. 24, 1934A.M. SosaElectric arm clamping and elevating mechanismradial drill presses
1,987,675Jan. 15, 1935K.F. GallimoreSpindle Feed and Drive Mechanism for Machine Toolsmetalworking power transmission
2,019,509Nov. 05, 1935L.L. Schauer, A.M. SosaHydraulic column and arm clamp with elevating controlradial drill presses
2,020,785Nov. 12, 1935D.C. KlausmeyerInterlocked propelling and clamping means for mobile drillsradial drill presses
2,021,388Nov. 19, 1935L.L. SchauerHydraulic arm translating means for radial drillsradial drill presses
2,083,023Jun. 08, 1937W.M. Fairbairn, A.M. JohnsonMachine toolmultiple spindle drill presses
2,251,015Jul. 29, 1941K.F. GallimoreMachine toolhorizontal boring mills
2,263,404Nov. 18, 1941O.W. Barker, J.B. ArmitageBoring and Milling Machinemilling machines
2,318,336May 04, 1943L.L. SchauerTapping machinetapping machines
2,323,488Jul. 06, 1943L.L. SchauerAutomatic reverse for tapping machinestapping machines
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