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Patents Granted on 1931-02-24
Patents 1 - 15 of 15
First set of recordsLast set of records
NumberDatePatenteeTitleType
1,793,454Feb. 24, 1931M.B. BengtsonDevice For Introducing Teat-Cup Liners Into Teat Cupsmilking tools
1,793,484Feb. 24, 1931N.L. HuffRuff Reamer
1,793,564Feb. 24, 1931O. SeversonTool Holder With Dovetail Lockmetal planer tool holders
1,793,646Feb. 24, 1931E.B. StimpsonSlitting machine
1,793,647Feb. 24, 1931E.B. StimpsonRivet-slitting machineriveting machines
1,793,648Feb. 24, 1931E.B. Stimpson, J.F. SuessleRivet-slitting machineriveting machines
1,793,714Feb. 24, 1931E. NewbergDuplex Wrenchnut wrenches
1,793,789Feb. 24, 1931F.S. FloeterTool-feed device for crank-pin-turning lathescrankshaft lathes
1,793,996Feb. 24, 1931G.H. CarlsonExercising machine
1,794,029Feb. 24, 1931G.T. PflegerCooling means for motorsmotor cooling
1,794,148Feb. 24, 1931J.G. CollinsWrecking crane
1,794,149Feb. 24, 1931J.G. CollinsStand and control means for electric portable drills
1,794,177Feb. 24, 1931C.T. JohnsonApparatus for unloading cars
1,794,271Feb. 24, 1931H.H. AsbridgeGrinding machine
1,794,340Feb. 24, 1931M.K. ParkhurstOptical Measuring Devicemeasurement gauges
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