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Patents Granted on 1931-03-03
Patents 1 - 14 of 14
First set of recordsLast set of records
NumberDatePatenteeTitleType
1,794,361Mar. 03, 1931L.F. Nenninger, B.P. Graves, E.J. Kearney, J.B. ArmitageMilling-Machine Spindle and Toolmilling machine tools
1,794,423Mar. 03, 1931R.A. Ashton, E.R. SmithCam Actuated Lathemetal lathes
1,794,441Mar. 03, 1931E.P. Bullard, Jr.Vertical Turret Lathevertical turret lathes
1,794,472Mar. 03, 1931F.H. MusslerHydraulic Change-Speed-Gear Mechanism
1,794,649Mar. 03, 1931A.W. SilerProtecting and Cooling Means for Dynamo Electric Machinesmotor cooling
1,794,663Mar. 03, 1931G.R. AndersonProtecting and heat-radiating means for electric motorsrepulsion start induction run motors
1,794,673Mar. 03, 1931F.L. CreagerSpark Plug Coverignition systems
1,794,758Mar. 03, 1931I.F. DitmarSawing machinecircular saws
1,794,836Mar. 03, 1931R.E. De WaltWoodworking machineradial arm saws
1,794,963Mar. 03, 1931E.A. KaneThreading Die and Holdertaps and dies
1,794,975Mar. 03, 1931R. MershonGrinding Machinegrinding machines
1,795,063Mar. 03, 1931H. WeichselAlternating-current motorAC motors
1,795,227Mar. 03, 1931W.E. Pelton, D.L. MillerSafety Ax
1,795,262Mar. 03, 1931H.L. MyersBase machine
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