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All Patents in class 82/133
Patents 1 - 15 of 21
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NumberDatePatenteeTitleType
1,744,885Jan. 28, 1930H.J. Siekmann, W.F. GroeneMachine Toolmachine tool controls
1,949,512Mar. 06, 1934C.H. NortonMethod of turning and grinding round work surfaces
1,961,089May 29, 1934A. Schinkez, E.R. SmithSpeed Coordinating Mechanism for Machine Toolsmetalworking machine mechanisms
2,000,553May 07, 1935C.R. AldenMachine toolhorizontal boring mills
2,008,011Jul. 16, 1935W.H. FosterLathemetal lathe accessories
2,027,568Jan. 14, 1936C.A. Bickel, W.E. WhippLatheengine lathes
2,289,957Jul. 14, 1942L.E. GodfriauxMachine Tool Transmission and Controlmetalworking power transmission
2,410,038Oct. 29, 1946M.H. Arms, L.J. BarnardGrinding machinesgrinding machines
2,464,626Mar. 15, 1949A.P. WatersonPilot Operated Servo Valvemetalworking machine mechanisms
2,474,134Jun. 21, 1949A.P. WatersonHydraulic Tool Control Unitmetalworking machine mechanisms
2,616,323Nov. 04, 1952L.A. LeiferPower Actuated Wrenchmetal lathe accessories
2,627,194Feb. 03, 1953L.A. Leifer, C.H. JohnsonProfile Turning and Boring Lathemetal lathes
2,682,748Jul. 06, 1954W. ErnstRestrictor Valve for a Servomotor Circuithydraulic apparatus
2,720,129Oct. 11, 1955C.E. Greene, M. De HaasMachine tool for automatic cycling
2,882,760Apr. 21, 1959L.A. LeiferInfinitey Variable Incremental Feed Controlmetalworking speed changing mechanisms
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