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All Patents in class 91/37
Patents 16 - 30 of 37
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NumberDatePatenteeTitleType
2,612,184Sep. 30, 1952W.I. EvansSensitive Hydraulic Tracer Valvehydraulic apparatus
2,706,892Apr. 26, 1955A.H. Dall, H. FritschiTracer Control Circuit for Pattern Controlled Machinesprofiling machines
2,713,246Jul. 19, 1955H. Fritschi, A.H. DallTracer Control Mechanism Having Independent Rate and Direction Controlprofiling machines
2,727,419Dec. 20, 1955W.I. EvansReproducing Machineprofiling machines
2,730,129Jan. 10, 1956H. Fritschi, A.H. DallTracer Control Mechanism
2,791,885May 14, 1957B. SassenHydraulic Tracer Controlhydraulic apparatus
2,840,956Jul. 01, 1958C.M. GrinageGrinding Machine
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
3,014,390Dec. 26, 1961E. Persson, A. Garde, H. SchiottControl Equipment for Copying Machine Toolstracer controlled lathes
3,016,804Jan. 16, 1962J.G. Osburn, F. ZanklProgram Control Systemmilling machines
3,017,863Jan. 23, 1962N.V. Gusching, W.H. UlmanElectrical control system
3,026,680Mar. 27, 1962W.I. EvansHydraulic System for Pattern Controlled Machineprofiling machines
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