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All Patents in class 408/134
Patents 1 - 15 of 31
First set of recordsNext set of recordsLast set of records
489,317Jan. 03, 1893A. MillTapping attachment for drillstapping machines
609,567Aug. 23, 1898J. YerkesDowel-hole-boring machinedrilling and boring
688,653Dec. 10, 1901F. LambertTool-operating machinedrill presses
742,291Oct. 27, 1903L.H. ColburnUpright Tapping and Boring Machinedrill presses
772,568Oct. 18, 1904H.N. HinckleyDrill-pressdrill presses
816,322Mar. 27, 1906J.H. HaskinsBolt Threading Machinemetal threading machines
857,538Jun. 18, 1907L.E. RiceAutomatic drilling-machinedrill presses
973,843Oct. 25, 1910J.S. BarnesDrilling-machinedrilling and boring
1,017,635Feb. 13, 1912L.H. ColburnAutomatic Tripping Device for the Feed Mechanism of Machine Toolsmetalworking machine mechanisms
1,063,665Jun. 03, 1913E.J. Spaeth, H. DresesAutomatic tool stopdrill presses
1,103,783Jul. 14, 1914G.O. LeopoldDrilldrill presses
1,216,689Feb. 20, 1917J.G. HeyFeed mechanism for drilling-machinesdrill presses
1,250,362Dec. 18, 1917W.L. SchellenbachMetal-boring machinevertical boring mills
1,388,875Aug. 30, 1921J.F. MirrieleesFeed mechanism for drilling-machinesdrill presses
1,424,538Aug. 01, 1922C.A. WidmerDrill pressdrill presses
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