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All Patents in class 74/842
Patents 1 - 15 of 61
First set of recordsNext set of recordsLast set of records
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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