All Patents of Type: drill press accessories |
Patents 1 -
15
of 65
|
Number | Date | Patentee | Title | Type |
126,111 | Apr. 23, 1872 | C. Van Haagen, A. Van Haagen | Improvement in Drilling Machines | drill press accessories |
146,064 | Dec. 30, 1873 | F.E. Hahn | Work Holding Devices | drill press accessories |
234,687 | Nov. 23, 1880 | J.G. Pope | Drill Press Attachment | drill press accessories |
324,331 | Aug. 11, 1885 | J. Lyall | Machine for Cutting Metal Ovals | drill press accessories |
336,762 | Feb. 23, 1886 | O. Smith | Tool for drill presses | countersinks |
355,679 | Jan. 11, 1887 | A.F. Brewer | Supplemental Bed Plate Centering Device and Work Holder for Drilling or Slotting Machines | drill press accessories |
431,107 | Jul. 01, 1890 | J.T. Cowley | Apparatus for Drilling | drill press accessories |
472,126 | Apr. 05, 1892 | A. Johnson | Eccentric Coupling and Tool and Work Holder | drill press accessories |
520,362 | May 22, 1894 | W.C. Jennings | Turret Head for Drill Machines | drill press accessories |
627,098 | Jun. 20, 1899 | W.D. Clugston | Expanding Tool Holder | drill press accessories |
643,083 | Feb. 06, 1900 | M.C. Bullock, deceased (Estate of), M.A. Bullock, Executrix | Thrust Register for Drilling Machines | drill press accessories |
644,079 | Feb. 27, 1900 | E. Huber | Attachment for tightening nuts | drill press accessories |
736,395 | Aug. 18, 1903 | H.N. Hinckley | Drill-Press Attachment | drill press accessories |
817,587 | Apr. 10, 1906 | M. Nelson | Machine for drilling nuts and the like | multiple spindle drill presses |
895,093 | Aug. 04, 1908 | W.B. Knight | Work-support for Milling and Drilling Machines | milling machine accessories |