| All Patents in class 470/83 |
Patents 1 -
15
of 33
      |
| Number | Date | Patentee | Title | Type |
| 51,257 | Nov. 28, 1865 | J.R. Brown | Screw Cutting Machine | screw machines |
| 54,187 | Apr. 24, 1866 | D.W. Maurice | Turning lathe | wood lathes |
| 120,351 | Oct. 24, 1871 | B.L. Walker | Holders for Screw Cutting Dies | tap and die holders |
| 123,951 | Feb. 20, 1872 | L.W. Stockwell | Improvement in Screw Cutting Machines | screw machines |
| 134,777 | Jan. 14, 1873 | W.E. Ward | Screw Cutting Dies | taps and dies |
| 189,719 | Apr. 17, 1877 | J. Flower | Taps and Dies | tap and die holders |
| 211,742 | Jan. 28, 1879 | A. Johnson | Thread Cutting Tool for Metal Screw Machines | screw machines |
| 289,655 | Dec. 04, 1883 | G. Heyne | Screw Machine | screw machines |
| 318,654 | May 26, 1885 | J.L. Rathbun | Tapping Device | tap and die holders |
| 467,787 | Jan. 26, 1892 | P. Baron | Machine for Making Screws | screw machines |
| 497,767 | May 23, 1893 | J.B. Clyne | Die or Tap Holder for Screw Machines | tap and die holders |
| 499,377 | Jun. 13, 1893 | J. Emig | Chuck | metal lathe chucks |
| 574,216 | Dec. 29, 1896 | S.E. Pranke | Combination Tap and Die | taps and dies |
| 583,883 | Jun. 08, 1897 | G.R. Baldwin | Tapping Machine | tapping machines |
| 627,529 | Jun. 27, 1899 | G.E. Randles | Screw Machine | screw machines |
