| All Patents in class 29/51 |
Patents 1 -
10
of 12
      |
| Picture | Number | Date | Patentee | Title |
| | 409,786 | Aug. 27, 1889 | J. Hartness | Turret Lathe Having a Supplemental Drill Spindle |
| | 447,017 | Feb. 24, 1891 | C.M. Spencer | Screw Machine |
| | 703,121 | Jun. 24, 1902 | W.S. Davenport | Slotting Mechanism for Screw-Machines |
| | 1,127,754 | Feb. 09, 1915 | J.J. Grant | Nut-machine |
 | 1,254,933 | Jan. 29, 1918 | E. Peuch, A. Abbey | Drilling, Screw Cutting , and Other Similar Machine |
| | 1,690,568 | Nov. 06, 1928 | E.P. Bullard, Jr. | Turret Head for Machine Tools |
| | 1,796,790 | Mar. 17, 1931 | E.S. Ingraham | Attachment for automatic screw machines |
| | 1,906,099 | Apr. 25, 1933 | C.A. Rich | Nut Making Machine |
| | 2,042,687 | Jun. 02, 1936 | K. Tessky | Automatic Lathe |
| | 2,363,033 | Nov. 21, 1944 | C.H. Adams | Double End Tooling Mechanism and Attachment |
