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Patents Granted on 1912-04-??
Patents 1 - 15 of 67
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NumberDatePatenteeTitleType
1,021,829Apr. 02, 1912A.F. Ewart, W.J. DyerSugar Cane Millsugar cane apparatus
1,021,848Apr. 02, 1912B. RindfleischFloating tool-holdermilling machine tools
1,021,875Apr. 02, 1912C.L. LibbyGearingmetal lathes
1,022,166Apr. 02, 1912D. WeirChuckdrill press chucks
1,022,177Apr. 02, 1912B. BrazelleInternal-combustion motorgas and gasoline engines
1,022,178Apr. 02, 1912B. BrazelleInternal-combustion motorgas and gasoline engines
1,022,311Apr. 02, 1912T.J. FegleySpiral Screw-Driver and Drillspiral screwdrivers
1,022,349Apr. 02, 1912W.A. BarkerMultiple hoisthoists, winches, come-alongs
GB-191,105,422Apr. 04, 1912C.W. JamesImprovements in Machines for Drilling and Boring Metals. radial drill presses
GB-191,203,825Apr. 04, 1912H.W. DurhamImprovements in Travelling Carriages of Horizontal Log Band Sawing Machinessawmill carriages
D42,397Apr. 09, 1912A. MuehlmattDesign for an engravers's block
1,022,427Apr. 09, 1912J. LeeScrew holding screwdriverscrewdriver blades
1,022,450Apr. 09, 1912C.H. WaymothSpindle-turning lathewood lathes
1,022,479Apr. 09, 1912J.P. HedstromRest for saw-sharpening machinessaw sharpening machines
1,022,489Apr. 09, 1912W.W. LyonsPincers, Pliers and the Likenippers
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