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All Patents in class 408/235
Patents 1 - 15 of 63
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NumberDatePatenteeTitleType
46,123Jan. 31, 1865W. LyonImprovement in drilling-machinesdrilling and boring
141,279Jul. 29, 1873C. KrapfImprovement in lathes for turning tobacco-pipeswood lathes
148,716Mar. 17, 1874W. KuckImprovement in Metal-Drilling Machinesdrilling and boring
168,862Oct. 19, 1875M.G. Wilder, W.H. McNeil, H.C. TylerImprovement in boring-machinesdrilling and boring
264,263Sep. 12, 1882F. DubrulMetal-drilling machinedrill presses
297,383Apr. 22, 1884H. Hobbs, E.F. GordonSuspended drilling-machineradial drill presses
332,242Dec. 15, 1885W. EvansDrill-pressdrill presses
367,782Aug. 09, 1887F.H. BrownConvertable Machine for Slotting or Drillingdrill presses
389,613Sep. 18, 1888W. ThiemMechanism for operating drillswood drilling and boring
395,592Jan. 01, 1889M. SchwarzlerFeed attachment for drilling-machinesdrilling and boring
460,692Oct. 06, 1891F.H. RichardsDrilling-machinedrill presses
629,042Jul. 18, 1899G.W. MoretonBoring and Turning Millvertical boring mills
694,783Mar. 04, 1902A.D. QuintTurret drilling, milling and tapping machinedrill presses
713,903Nov. 18, 1902H.E. Morton, M. MortonCounterbalance for Traveling Head Shapers, &c.metal shapers
815,696Mar. 20, 1906W.J. HagmanCounterbalance Devicemetal planer accessories
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