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All Patents in class 408/67
Patents 1 - 15 of 23
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NumberDatePatenteeTitleType
13,606Sep. 25, 1855E.R. Morrison, A. WyckoffBoring-machinewoodworking horizontal borers
31,883Apr. 02, 1861S.P. GilbertHollow Augerhollow bits
RE3,133Sep. 22, 1868L. StevensImprovement in Boring Machinesdrilling and boring
111,167Jan. 24, 1871A. Bauman, O.O. WitherellImprovement in hollow augershollow bits
117,567Aug. 01, 1871W.P. PowersPump augerdrilling and boring
166,490Aug. 10, 1875S.L. WorsleyMachine for Tapping Nutsnut or bolt making machines
197,070Nov. 13, 1877S.L. WorsleyMetal-Screw Threading Machinemetal threading machines
438,605Oct. 21, 1890F.S. CookNut Tapping Machinenut or bolt making machines
479,244Jul. 19, 1892D. ChaseSawing-machinecylindrical saws
489,772Jan. 10, 1893B.D. WhitneyStave-sawing machinecooper
518,262Apr. 17, 1894C.W. Meggenhofen, A.S. CortrightBoring-machinedrill bits
669,473Mar. 05, 1901C.W. BloodBoring-machinedrilling and boring
678,729Jul. 16, 1901R.P. GerlachSawing or cutting machinecooper
799,889Sep. 19, 1905F. BryanPortable hand-powered chain mortiserhuman powered machines
881,856Mar. 10, 1908E. Hagstrom, G. Hagstrom, W. HagstromCup Attachment for Augersdrill accessories
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