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All Patents in class 408/137
Patents 31 - 45 of 56
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NumberDatePatenteeTitleType
441,509Nov. 25, 1890F. SchoffDrill-supportportable metal drilling machines
460,692Oct. 06, 1891F.H. RichardsDrilling-machinedrill presses
506,954Oct. 17, 1893J.G. Timolat, C. JacobsonPortable drillportable metal boring and drilling machines
570,050Oct. 27, 1896W.S. PhelpsCompound Feed Motion for Boring Cylindersmetal lathe accessories and attachments
579,037Mar. 16, 1897A.E. McLauchlin, C.O. BulockCentering Machinehorizontal drilling machines
592,007Oct. 19, 1897S.G. HoweShut Off and Pipe Drilling Deviceportable metal drilling machines
592,193Oct. 19, 1897M.H. Shenk, H.E. BrewerBlacksmithing Apparatusportable forges
599,265Feb. 15, 1898D.O. SmithApparatus for Boring Locomotive Cylindersportable metal drilling machines
614,866Nov. 29, 1898W.E. HotchkissAutomatic feeding-mechanism for drilling-machinesdrill presses
647,311Apr. 10, 1900G.J. Spahn, W.T. MaxwellBoring implementhand drills
676,043Jun. 11, 1901J.C. LincolnElectric drillhandheld power drills
687,025Nov. 19, 1901B.E. HerveyBoring and Drilling Machinewoodworking horizontal borers
941,568Nov. 30, 1909F. FlemingCombined Drill and Stay Bolt Cutterboiler repair tools
983,083Jan. 31, 1911J.A. PealingPortable drillportable metal drilling machines
1,103,783Jul. 14, 1914G.O. LeopoldDrilldrill presses
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