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Patents Granted on 1938-12-06
Patents 1 - 9 of 9
First set of recordsLast set of records
NumberDatePatenteeTitleType
2,138,811Dec. 06, 1938P.A. AbeSurface Hardening Lathe Bedflame hardening machines
2,138,945Dec. 06, 1938P. Brong, C.L. StolteAngle Hand Piece
2,138,964Dec. 06, 1938W.F. GroeneOrbital lathecrank pin lathes
2,139,173Dec. 06, 1938E.G. Roehm, M. RomaineControl Circuit for Broaching Machinesbroaching machines
2,139,234Dec. 06, 1938A.M. JohnsonCarriage mounting
2,139,243Dec. 06, 1938W.H. MohrTry Squaresquares
2,139,251Dec. 06, 1938W.F. AllerMeasuring Instrumentmeasurement gauges
2,139,615Dec. 06, 1938E.J. DillmanHeating Apparatus and Control Means Therefortemperature controls
2,139,616Dec. 06, 1938A.K. FouldsControl Deviceflow controls
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