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All Patents in class 408/124
Patents 1 - 15 of 80
First set of recordsNext set of recordsLast set of records
3,897Jan. 31, 1845A.A. WilderMachine for drilling and mortising wood or metaldrilling and boring
6,979Dec. 25, 1849J. WileyMachinery for boring window-blindsdrilling and boring
9,271Sep. 21, 1852R. DanielsHand drilling machineeggbeater drills
40,837Dec. 08, 1863C.J. HolmanImproved sawing-machinebarrel making machines
49,758Sep. 05, 1865J.A. House, H.A. HouseBit stock with chain-driven gear multiplicationgeared braces
RE2,471Jan. 29, 1867C.J. HolmanImprovement in sawing machinescooper
79,000Jun. 16, 1868G. RaftWrist-Pin Turnerdrilling and boring
98,014Dec. 21, 1869E.C. BartonImprovement in boring-machinedrilling and boring
132,187Oct. 15, 1872O.F. TeedImprovement in boring-machinesdrilling and boring
140,832Jul. 15, 1873J.P. Kealy, J. RigneyMachine for dressing lathe centerssharpening machines
191,304May 29, 1877J.T. BruenImprovement in wire screws and nutsspiral screwdrivers
202,477Apr. 16, 1878T.O. SelfridgeImprovement in wood-boring machineseggbeater drills
231,361Aug. 17, 1880W.H. RichardsRachet Drilldrill presses
246,710Sep. 06, 1881G.W. BeanBack-gear clutch for upright drillsindustrial machine clutches
274,026Mar. 13, 1883O. PlummerPost for drilling machineswoodworking post drills
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