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All Patents in class 173/19
Patents 1 - 13 of 13
First set of recordsLast set of records
NumberDatePatenteeTitleType
688,653Dec. 10, 1901F. LambertTool-operating machinedrill presses
1,735,400Nov. 12, 1929A.M. JohnsonTool-spindle brake mechanismdrill presses
1,740,744Dec. 24, 1929F.A. ParsonsFluid Transmission and Control Means for Machine Toolsmilling machines
1,763,142Jun. 10, 1930W. ErnstHydraulic Press hydraulic presses
1,781,274Nov. 11, 1930W.C. De RooFeed-control mechanismdrill presses
1,840,231Jan. 05, 1932F.S. Haas, R.E. HarrisonGrinding Machinegrinding machines
2,000,421May 07, 1935L.L. Schauer, A.M. Sosa, J.H. McKewenDuplex control for radial drillsradial drill presses
2,148,348Feb. 21, 1939W.F. Groene, H.J. SiekmannTurret latheturret lathes
2,178,915Nov. 07, 1939G.K. McKee, C.E. BernittMachine Tooldrill presses
2,454,235Nov. 16, 1948E.J. TomekDrilling machinemultiple spindle drill presses
3,129,613Apr. 21, 1964J.L. BurgReciprocating feed device for machine toolsdrill presses
3,238,621Mar. 08, 1966E.P. Bullard, IIIProgram Control
3,238,622Mar. 08, 1966E.P. Bullard, IIIProgram Control
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