| All Patents in class 408/158 |
Patents 1 -
10
of 36
      |
| Picture | Number | Date | Patentee | Title |
| | 295,466 | Mar. 18, 1884 | J.B. Wallace | Cutting Tool |
 | 346,103 | Jul. 27, 1886 | C. Holly | Milling Tool |
| | 422,340 | Feb. 25, 1890 | F.N. Gardner | Die for Screw Cutting |
| | 432,972 | Jul. 29, 1890 | L.T. Bowman | Bolt Threading Machine |
| | 536,815 | Apr. 02, 1895 | W. Murchey | Nipple Cutting Machine |
| | 578,802 | Mar. 16, 1897 | G.E. Witherell | Thread Cutter |
| | 642,312 | Jan. 30, 1900 | F.A. Errington | Automatically Opening or Closing Die |
 | 757,494 | Apr. 19, 1904 | W. Pohlman | Expansion Boring Tool |
| | 909,749 | Jan. 12, 1909 | I.W. Sprink, F.L. Brown | Adjustable Collapsing Tap |
| | 979,790 | Dec. 27, 1910 | H.W. Oster | Die-stock |
