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Patents Granted on 1928-12-18
Patents 1 - 9 of 9
First set of recordsLast set of records
NumberDatePatenteeTitleType
1,695,336Dec. 18, 1928G.N. KohlhaasMicrometermicrometers
1,695,548Dec. 18, 1928E.A. Hall, G.E. BurnsGas Burner
1,695,759Dec. 18, 1928P. ConradsonGrinding Machinegrinding machines
1,695,762Dec. 18, 1928F.O. HoaglandBacking-Off Device for Cutters Having Angularly Disposed Teethbacking off lathes
1,695,777Dec. 18, 1928R.A. NorlingReversible drill throttle
1,695,799Dec. 18, 1928C.L. DaunMethod of producing integral bar windings in the rotors of electric motorselectric motor making
1,695,944Dec. 18, 1928O.W. BaneCarpenter's Combination Tool
1,696,027Dec. 18, 1928E.P. Bullard, Jr.Automatic Multiple Spindle Lathemultiple spindle lathes
1,696,037Dec. 18, 1928E.J. HornbergerAutomatic chuck and roller feedturret lathes
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