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Patents Granted on 1939-04-04
Patents 1 - 13 of 13
First set of recordsLast set of records
NumberDatePatenteeTitleType
CA-380,481Apr. 04, 1939J.T. HepburnLathemetal lathes
CA-380,482Apr. 04, 1939J.T. HepburnLathemetal lathes
CA-380,483Apr. 04, 1939J.T. HepburnLathemetal lathes
CA-380,484Apr. 04, 1939J.T. HepburnLathe tool feeding devicemetal lathes
2,152,729Apr. 04, 1939C.C. ChartierUniversal Tool Sharpening and Work Holdersharpening tool holders
2,152,781Apr. 04, 1939D.D. WileControl Devicetemperature controls
2,152,837Apr. 04, 1939E. CannonPrefill valve for hydraulic presseshydraulic metalworking presses
2,152,880Apr. 04, 1939F. Doepke, estate of (deceased), C.R. DowdyThickness Gaugemeasurement gauges
2,152,906Apr. 04, 1939H.G. MillerBand saw guidebandsaw guides
2,152,969Apr. 04, 1939W.W. NashBalancerhandheld power tool accessories
2,153,054Apr. 04, 1939H.J. SmithDie stock and tap wrenchtaps and dies
2,153,463Apr. 04, 1939C.L. GroverIndex Plate for Boring and Milling Machinesmetalworking machine mechanisms
2,153,502Apr. 04, 1939W.F. OcenasekApparatus for bench grinding long bladescutter grinding
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