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All Patents in class 408/237
Patents 1 - 15 of 57
First set of recordsNext set of recordsLast set of records
68,827Sep. 10, 1867A. Whipple, E.S. YoungMetal Drillportable metal drilling machines
184,060Nov. 07, 1876A. BoxRadial Drillradial drill presses
462,309Nov. 03, 1891W.T. GangDrill Pressdrill presses
511,736Dec. 26, 1893C.L. LibbyTaper attachment and feed mechanism for vertical boring millvertical boring mills
515,237Feb. 20, 1894J.P. LavigneDrilling Machinedrill presses
515,988Mar. 06, 1894C.H. BaushDrilling-machineradial drill presses
515,989Mar. 06, 1894C.H. BaushDrilling-machineradial drill presses
560,171May 12, 1896A.J. OehringMultiple drillmultiple spindle drill presses
679,672Jul. 30, 1901W. HermanDrilling-machineradial drill presses
694,510Mar. 04, 1902S.F. WiseDouble-spindle drawer-pull boring-machinedrilling and boring
737,948Sep. 01, 1903O.W. MuellerRadial drillradial drill presses
883,118Mar. 24, 1908H.M. NorrisArm for Radial Drillsradial drill presses
1,058,254Apr. 08, 1913H.M. NorrisRadial Drillradial drill presses
1,070,815Aug. 19, 1913D.C. KlausmeyerClamping Mechanismmetalworking machine mechanisms
1,076,242Oct. 21, 1913W.T. SearsRadial drillradial drill presses
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