| All Patents in class 279/71 |
Patents 1 -
10
of 32
      |
| Picture | Number | Date | Patentee | Title |
 | 8,315 | Aug. 26, 1851 | P.H. Niles | Adjustable Tool-Haft |
| | 24,152 | May 24, 1859 | J. Kirkpatrick, R. Nuttall | Cutting Screws |
 | 42,592 | May 03, 1864 | S.A. Morse | Improved collet |
 | 55,363 | Jun. 05, 1866 | W. Reid | Improvement in machines for compressing the cylinders of casks upon their heads to form a tight barrel |
 | 81,500 | Aug. 25, 1868 | B. Haviland | Improvement in chucks |
| | 175,579 | Apr. 04, 1876 | E.A. Stimson | Screw Cutting Dies |
| | 180,869 | Aug. 08, 1876 | J. Thomson, E.E. Green | Devices for Cutting Screw Threads |
| | 209,774 | Nov. 12, 1878 | O. Pederson | Screw Cutting Die |
| | 250,459 | Dec. 06, 1881 | L.W. Stockwell | Machine for Threading Bolts |
| | 259,433 | Jun. 13, 1882 | L.W. Stockwell | Screw Threading Machine |
