| All Patents in class 408/142 |
Patents 1 -
10
of 25
      |
| Picture | Number | Date | Patentee | Title |
| | 466,946 | Jan. 12, 1892 | D.J. Hurley | Tapping Device |
| | 529,169 | Nov. 13, 1894 | J. Hartness | Screw Cutting Die |
| | 564,700 | Jul. 28, 1896 | H. Kupsch | Open Die Head |
| | 631,080 | Aug. 15, 1899 | A.C. Kraft | Turret Lathe Tool Holder |
| | 635,324 | Oct. 24, 1899 | R. Kilburn | Tap for Forming Screw Threads |
| | 649,733 | May 15, 1900 | J.P. Lavigne | Die Head |
| | 687,804 | Dec. 03, 1901 | H. Wharton | Die or Tool Holder |
| | 726,674 | Apr. 28, 1903 | C.L. Goodrich | Tool Holder for Screw Machines |
| | 909,748 | Jan. 12, 1909 | I.W. Sprink, F.L. Brown | Automatic Die Head |
 | 1,119,676 | Dec. 01, 1914 | R.A. Boehm | Threading-die holder |
