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Patents Granted on 1930-02-11
Patents 1 - 15 of 20
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NumberDatePatenteeTitleType
CA-297,436Feb. 11, 1930C.S. WeyandtRectification systemrectifiers
CA-297,437Feb. 11, 1930C.S. WeyandtReciprocating motorreciprocating or vibrating electric motors
1,746,263Feb. 11, 1930D.C. KlausmeyerDirect Drive Drilldrill presses
1,746,264Feb. 11, 1930D.C. KlausmeyerConvertible Drilling and Tapping Machinedrill presses
1,746,265Feb. 11, 1930D.C. KlausmeyerDrilling Machine Having Interchangeable Hand and Power Feedsmetalworking machine mechanisms
1,746,266Feb. 11, 1930D.C. KlausmeyerSpindle Feeding Meansmetalworking machine mechanisms
1,746,378Feb. 11, 1930T.G. Louis, P. BrownMagnetoignition systems
1,746,381Feb. 11, 1930E.E. DavisBoring toolboring heads
1,746,384Feb. 11, 1930A.R. De LongApparatus for treating foodstuffs
1,746,387Feb. 11, 1930J.H. FawSocket Wrench Connectionsocket wrenches
1,746,391Feb. 11, 1930W.E. GibbsMetal Working File
1,746,393Feb. 11, 1930L.G. GrayBottle openercombination cork extractors
1,746,419Feb. 11, 1930W. ErnstControl Mechanism for Hydraulic Presses hydraulic presses
1,746,495Feb. 11, 1930C.A. PalmgrenStapling devicestaplers
1,746,496Feb. 11, 1930C.A. PalmgrenStapling devicestaplers
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