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All Patents in class 408/35
Patents 1 - 15 of 36
First set of recordsNext set of recordsLast set of records
12,002Nov. 28, 1854E.K. RootImproved machine for boring the chambers in the cylinders of fire-armsdrilling and boring
126,232Apr. 30, 1872E.S. PiperImprovement in machines for making saw-handlestool making machines
187,600Feb. 20, 1877G. CollinsCombination Countersink, Screwdriver & Gimlet Bitcountersinks
323,723Aug. 04, 1885E.H. ParksBoring Machinemetalworking machines
336,598Feb. 23, 1886O. SmithTurret-head drill pressdrill presses
376,838Jan. 24, 1888A. WhitneyDrilling Machinecenter drilling machines
426,347Apr. 22, 1890L.E. Whiton, D.E. WhitonDrilling-machinemetal lathes
463,790Nov. 24, 1891A.D. QuintDrilling-machinedrill presses
520,079May 22, 1894A.D. QuintTurret-head machinedrill presses
542,695Jul. 16, 1895F.W. Hoefer, D.C. StoverVariable-speed sensitive drill pressdrill presses
564,223Jul. 21, 1896A.D. QuintAutomatic reversing mechanism for tool-holdersdrill presses
694,783Mar. 04, 1902A.D. QuintTurret drilling, milling and tapping machinedrill presses
1,272,188Jul. 09, 1918F.M. BawdenTurretmetal lathes
2,615,183Oct. 28, 1952A.C. Lindmark, E.H. JohnsonTapping Attachmentdrill press accessories
2,670,636Mar. 02, 1954F.G. BurgMachine tool of the drill press type having multiple rotary toolsdrill presses
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