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All Patents in class 91/37
Patents 1 - 15 of 37
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NumberDatePatenteeTitleType
627,385Jun. 20, 1899J. BrockieAutomatic Latheautomatic lathes
1,840,231Jan. 05, 1932F.S. Haas, R.E. HarrisonGrinding Machinegrinding machines
1,952,230Mar. 27, 1934G.V. AndersonAutomatic Profile Milling Machinemilling machines
1,997,892Apr. 16, 1935E.L. WallDuplicating Machinemilling machine accessories
2,016,931Oct. 08, 1935C.C. RichardHydraulic Mechanism for Determining the Path of Movement of a Tool or Other Elementhydraulic apparatus
2,101,712Dec. 07, 1937E.K. JohansenTracer Mechanism for Duplicating Machinesmetalworking machine mechanisms
2,154,718Apr. 18, 1939T.W. BannonDuplicating Machinemetal shapers
2,412,549Dec. 10, 1946T.S. Armandroff, E.W. YatesAutomatic Pattern Controlled Milling Machinemilling machines
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
2,475,326Jul. 05, 1949C. JohnsonControl systemmilling machine accessories
2,516,495Jul. 25, 1950A.P. WatersonHydraulic tool control unitmetal lathe accessories and attachments
2,535,957Dec. 26, 1950E.G. Roehm, M. RomainePrecision Positioning Mechanismmetalworking machine mechanisms
2,602,437Jul. 08, 1952W.L. TancredHydraulic Profiler for Truing Devices and the Likehydraulic apparatus
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