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Patents Granted on 1939-02-??
Patents 1 - 15 of 41
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NumberDatePatenteeTitleType
GB-499,981Feb. 01, 1939H.W. PearnImprovements relating to pump valvespumps
2,145,977Feb. 07, 1939B.N. FosterSolenoid actuated valvemetalworking machine mechanisms
2,145,980Feb. 07, 1939O.E. Hadwiger, H.O. SchmidtSandpaper drumsanding machines
2,146,195Feb. 07, 1939A. SchultzLaphand laps
2,146,583Feb. 07, 1939O. KylinChuck and bar feedmetal lathes
2,146,696Feb. 07, 1939L.W. EgglestonValveheating apparatus
D113,307Feb. 14, 1939E.A. HornbostelMeat Tenderer
D113,331Feb. 14, 1939E.M. PfauserV-Base for Metal Straightening Equiptment
D113,369Feb. 14, 1939L.S. StumpDesign for a combined drill press head and motordrilling and boring
2,147,203Feb. 14, 1939O. KylinTap holdermetal lathe accessories and attachments
2,147,227Feb. 14, 1939G.B. AmblerDrill sharpening machinedrill sharpening machines
2,147,322Feb. 14, 1939H.B. Tuthill, H.F. CaldwellSafety control for bread slicing machines
2,147,506Feb. 14, 1939R.S. StonerFloating weight electric switchelectric switches
GB-500,984Feb. 20, 1939G.G. GarmanImprovements relating to flooring crampsfloor clamps
GB-501,109Feb. 21, 1939H.W. KearnsImprovements in and relating to journal bearings in machine toolsmetalworking machine bearings
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