| All Patents in class 470/185 |
Patents 1 -
10
of 17
      |
| Picture | Number | Date | Patentee | Title |
 | 21,961 | Nov. 02, 1858 | W.O. Hickok | Die for Cutting Wooden Screws |
| | 125,980 | Apr. 23, 1872 | S. North | Improvement in Screw Cutting Devices |
| | 212,212 | Feb. 11, 1879 | F.F. Gokey | Device for Cutting and Screw-Threading Wagon-Axles |
 | 300,604 | Jun. 17, 1884 | W.C. Hartmann | Die Stock |
 | 422,024 | Feb. 25, 1890 | A.B. Landis | Screw-cutting head |
 | 539,880 | May 28, 1895 | H.W. Oster | Pipe and bolt cutter |
| | 575,148 | Jan. 12, 1897 | J.L. Chapman | Chaser Die |
| | 614,949 | Nov. 29, 1898 | J. Hartness | Screw Cutting Die |
 | 740,016 | Sep. 29, 1903 | L.A. Howe | Self-opening die |
 | 786,353 | Apr. 04, 1905 | C.R. Gabriel | Screw Machine |
