| All Patents in class 470/96 |
Patents 16 -
30
of 76
      |
| Number | Date | Patentee | Title | Type |
| 497,767 | May 23, 1893 | J.B. Clyne | Die or Tap Holder for Screw Machines | tap and die holders |
| 517,023 | Mar. 27, 1894 | T.I. Brown | Metal Tapping or Drilling Machine | drill presses |
| 556,182 | Mar. 10, 1896 | I.L. Grady | Attachment for Watch Makers Lathes | metal lathe accessories and attachments |
| 688,653 | Dec. 10, 1901 | F. Lambert | Tool-operating machine | drill presses |
| 726,674 | Apr. 28, 1903 | C.L. Goodrich | Tool Holder for Screw Machines | lathe tool holders and tool posts |
| 766,723 | Aug. 02, 1904 | C.C. Newton | Drilling and Tapping Machine | tapping machines |
| 832,221 | Oct. 02, 1906 | H.A. Tuttle | Tapping-machine | tapping machines |
| 851,728 | Apr. 30, 1907 | W.J. Bayrer | Spindle-drive | drill presses |
| 863,137 | Aug. 13, 1907 | W.J. Bayrer | Drill-press | drill presses |
| 907,163 | Dec. 22, 1908 | W. Murchey | Machine for Boring, Tapping, &c. | drill presses |
| 1,131,777 | Mar. 16, 1915 | B.O. Gage | Tool Holder for Rotary Drilling and Like Devices | drilling and boring tool holders |
| 1,172,336 | Feb. 22, 1916 | N.H. Anderson | Tapping-machine | tapping machines |
| 1,244,084 | Oct. 23, 1917 | A.A. Shafer | Tapping Machine | tapping machines |
| 1,250,362 | Dec. 18, 1917 | W.L. Schellenbach | Metal-boring machine | vertical boring mills |
| 1,307,831 | Jun. 24, 1919 | A.C. Pletz | Drilling and tapping machine | drill presses |
