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Patents Granted on 1939-02-28
Patents 1 - 10 of 10
First set of recordsLast set of records
NumberDatePatenteeTitleType
2,148,573Feb. 28, 1939C.J. MulcayWrenchwrenches
2,148,765Feb. 28, 1939A.W. MallMass and form vibrator
2,148,766Feb. 28, 1939A.W. MallTrack grinding machine
2,148,779Feb. 28, 1939W.I. SengerMachine Tool Holderlathe tool holders and tool posts
2,148,805Feb. 28, 1939S.A. CogsdillMethod of Making Oil Hole Drills metalworking twist drills
2,148,852Feb. 28, 1939R.H. BergströmHolder Block for Tool Holderslathe tool holders and tool posts
2,149,013Feb. 28, 1939F.A. FritzschSpeed Changing Mechanismmetalworking speed changing mechanisms
2,149,038Feb. 28, 1939D.S. AnthonyTool Holderlathe tool holders and tool posts
2,149,229Feb. 28, 1939E. ReaneyTriangle Cutter Lockmilling machine cutters
2,149,230Feb. 28, 1939E. ReaneyCompensating Blade Clampmilling machine cutters
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