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All Patents in class 91/37
Patents 1 - 15 of 15
First set of recordsLast set of records
NumberDatePatenteeTitleType
2,464,626Mar. 15, 1949A.P. WatersonPilot Operated Servo Valvemetalworking machine mechanisms
2,473,572Jun. 21, 1949E.A. Ruchty, N.D. CooperMagnetic Servo Operatormetalworking machine mechanisms
2,474,134Jun. 21, 1949A.P. WatersonHydraulic Tool Control Unitmetalworking machine mechanisms
2,791,885May 14, 1957B. SassenHydraulic tracer control
2,840,956Jul. 01, 1958C.M. GrinageGrinding Machinegrinders
2,898,891Aug. 11, 1959R.J. Flanigan, N.V. GuschingHydraulic flow control
2,949,893Aug. 23, 1960H.C. McCurdyTracer Mechanismmetalworking machine mechanisms
2,972,868Feb. 28, 1961B. SassenMachine tool slide control
3,000,362Sep. 19, 1961R.L. McCurdy, administratix, H.C. McCurdy, deceased (estate of)Tracer Mechanismmetalworking machine mechanisms
3,016,804Jan. 16, 1962J.G. Osburn, F. ZanklProgram Control Systemmilling machines
3,017,863Jan. 23, 1962N.V. Gusching, W.H. UlmanElectrical control system
3,238,622Mar. 08, 1966E.P. Bullard, IIIProgram Controlmachine tool controls
3,298,283Jan. 17, 1967E.P. Bullard, IIIFluid Transmission Systemmetalworking machine mechanisms
3,335,525Aug. 15, 1967A.A. MuehlingHydraulic system for grinding machines
3,583,281Jun. 08, 1971J.C. Le Veque, M.R. HicksProgrammable Fluidic Control System for Machine Toolsmachine tool controls
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