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Patents Granted on 1938-05-??
Patents 1 - 15 of 31
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NumberDatePatenteeTitleType
D109,498May 03, 1938E.M. PfauserJack
D109,499May 03, 1938E.M. PfauserJack
2,116,122May 03, 1938W.F. OcenasekMachine tool
2,116,123May 03, 1938W.F. OcenasekJigsawscrollsaws
2,116,262May 03, 1938B. Granberg, J.B. SindersonAttachment for machine tools
2,116,272May 03, 1938A.W. MallAbrasive wheel
2,116,491May 03, 1938A.W. MallAngle grinding spindle
D109,628May 10, 1938J. TateDesign for a drill press guarddrilling and boring
2,116,498May 10, 1938E.A. HallGrinding Machinevalve grinding tools
2,116,541May 10, 1938L. Roush, C. RiedelMethod for aerating liquids
2,116,708May 10, 1938R.A. NiekampApparatus for compacting concrete
2,116,764May 10, 1938D.A. MeekerFood handling apparatus
FR-828,200May 11, 1938O.E. RobbinsMagnetic Sine Table angle bars and angle plates
2,117,300May 17, 1938J. CorserRock crushing machineore processing apparatus
2,117,529May 17, 1938D.D. WileTemperature Control Apparatustemperature controls
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