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All Patents in class 74/842
Patents 1 - 15 of 61
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NumberDatePatenteeTitleType
13,766Nov. 06, 1855S.W. ShryockDrilling and Boring Machinedrill presses
22,323Dec. 14, 1858R. WilsonMachine for drilling metaldrilling and boring
40,459Nov. 03, 1863G.S. CorwinImproved boring-machinedrill presses
41,546Feb. 09, 1864W. StiversImprovement in drillsdrill presses
42,914May 24, 1864S.U. KingImprovement in boring-machinesportable timber mortisers
43,364Jun. 28, 1864J. EdgecombImprovement in boring-machinesportable timber borers
49,933Sep. 12, 1865D. Stanley, G. JohnsonImprovement in boring-machinesportable timber mortisers
53,981Apr. 17, 1866T.M. HowardImproved drilling-machinedrill presses
59,420Nov. 06, 1866J. LetterelImprovement in machines for tenoning spokeswheelwright
67,826Aug. 13, 1867D. Warner, W.F. Peiffer, A.F. LepperImprovement in drilling-machinesdrill presses
79,640Jul. 07, 1868G. DrydenImprovement in machines for boring wooddrilling and boring
104,797Jun. 28, 1870W. TuckerImprovement in boring-machinesportable timber mortisers
135,313Jan. 28, 1873P. BlaisdellImprovement in drilling-machinesdrill presses
150,857May 12, 1874M.A. FurbushImprovement in metal-drilling machinesdrill presses
150,890May 12, 1874A.B. ProutyImprovement in metal-drill machinesdrill presses
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