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Patents Granted on 1938-12-27
Patents 1 - 15 of 20
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NumberDatePatenteeTitleType
D112,728Dec. 27, 1938G.A. WeingartnerDesign for a power driven hand tool unithandheld power sanders
CA-378,556Dec. 27, 1938E.A. HallGrinding Machinevalve and seat maintenance
2,141,191Dec. 27, 1938N.S. Lundberg, C.B. De VliegMilling Machine
2,141,209Dec. 27, 1938G.W. EmrickTapping attachmenttapping heads and chucks
2,141,263Dec. 27, 1938F.W. CurtisIndexing Work Holderindexers and dividers
2,141,310Dec. 27, 1938D.A. MeekerCoffee millcoffee mills
2,141,311Dec. 27, 1938D.A. MeekerFood handling apparatus
2,141,466Dec. 27, 1938W.R. Meyer, W.F. GroeneMethod of Machining Crankshaftsmetal lathe chucks
2,141,627Dec. 27, 1938C.C. StreetGauge or Indicatortest indicators
2,141,631Dec. 27, 1938W.M. Whitney, A.W. HawesWood-shaping machinewood shapers
2,141,711Dec. 27, 1938B.M. GuthrieAutomatic Air Control Meansfans and blowers
2,141,853Dec. 27, 1938C.E. BrownGrinding Machinegrinding machines
2,141,971Dec. 27, 1938C. DesoutterPortable electric drill and the likehandheld power drills
2,142,021Dec. 27, 1938A.H. Dall, H. ErnstAutomatic Dynamic Balancer for Machine Toolsgrinding machines
2,142,022Dec. 27, 1938R.D. Wortendyke, H. ErnstInfeed Cycle Control Attachmentgrinding machines
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