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All Patents of Type: drill press accessories
Patents 1 - 15 of 65
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NumberDatePatenteeTitleType
126,111Apr. 23, 1872C. Van Haagen, A. Van HaagenImprovement in Drilling Machinesdrill press accessories
146,064Dec. 30, 1873F.E. HahnWork Holding Devicesdrill press accessories
234,687Nov. 23, 1880J.G. PopeDrill Press Attachmentdrill press accessories
324,331Aug. 11, 1885J. LyallMachine for Cutting Metal Ovalsdrill press accessories
336,762Feb. 23, 1886O. SmithTool for drill pressescountersinks
355,679Jan. 11, 1887A.F. BrewerSupplemental Bed Plate Centering Device and Work Holder for Drilling or Slotting Machinesdrill press accessories
431,107Jul. 01, 1890J.T. CowleyApparatus for Drillingdrill press accessories
472,126Apr. 05, 1892A. JohnsonEccentric Coupling and Tool and Work Holderdrill press accessories
520,362May 22, 1894W.C. JenningsTurret Head for Drill Machinesdrill press accessories
627,098Jun. 20, 1899W.D. ClugstonExpanding Tool Holderdrill press accessories
643,083Feb. 06, 1900M.C. Bullock, deceased (Estate of), M.A. Bullock, ExecutrixThrust Register for Drilling Machinesdrill press accessories
644,079Feb. 27, 1900E. HuberAttachment for tightening nutsdrill press accessories
736,395Aug. 18, 1903H.N. HinckleyDrill-Press Attachmentdrill press accessories
817,587Apr. 10, 1906M. NelsonMachine for drilling nuts and the likemultiple spindle drill presses
895,093Aug. 04, 1908W.B. KnightWork-support for Milling and Drilling Machinesmilling machine accessories
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