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All Patents in class 408/135
Patents 1 - 15 of 60
First set of recordsNext set of recordsLast set of records
34,137Jan. 14, 1862J. EdgecombImprovement in boring-machinesdrilling and boring
103,157May 17, 1870J. DemingImprovement in Spoke-Tenoning and Hub-Boring Machineswheelwright
120,716Nov. 07, 1871G.F. CluffImprovement in boring-machinesdrilling and boring
124,091Feb. 27, 1872J. SimpsonImprovement in Boring Machinesvertical boring mills
241,483May 17, 1881L.R. FaughtMachine for boring metaldrill presses
275,604Apr. 10, 1883E.F. DebouttevilleMachine for Shaping, Drilling, Boring and Facingmetal slotting machines
287,366Oct. 23, 1883T.J. Currier, F.T. CurrierDrilling-machinedrill presses
313,114Mar. 03, 1885E. SmedleyVertical drilldrill presses
321,196Jun. 30, 1885U. Eberhardt, H.E. EberhardtDrilling-Machinedrill presses
331,075Nov. 24, 1885F.B. MilesDrilling-machineradial drill presses
340,615Apr. 27, 1886A.F. PrenticeDrilling-machinedrill presses
380,486Apr. 03, 1888S. HoningerDrilling-machinedrilling and boring
395,592Jan. 01, 1889M. SchwarzlerFeed attachment for drilling-machinesdrilling and boring
410,803Sep. 10, 1889C.W. McDanielDrilling-machinedrill presses
452,991May 26, 1891A.L. ColburnSpindle feed for drill pressdrill presses
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