| All Patents in class 76/22 |
Patents 1 -
10
of 17
      |
| Picture | Number | Date | Patentee | Title |
 | 15,867 | Oct. 07, 1856 | M.D. Wipple | Cutting Round Files |
 | 40,534 | Nov. 03, 1863 | T. Burr | Improvement in machines for cutting files |
 | 42,216 | Apr. 05, 1864 | W.T. Nicholson | Improvement in File Cutting Machines |
 | 44,998 | Nov. 08, 1864 | E.O. Potter | Machine for cutting files |
 | 53,204 | Mar. 13, 1866 | A. Weed | Improvement in machines for cutting files |
 | 57,230 | Aug. 14, 1866 | A. Weed | Improved machine for cutting rasps |
 | 78,681 | Jun. 09, 1868 | W.T. Nicholson | Improved Machine for Cutting Files |
 | 91,293 | Jun. 15, 1869 | J.B. West | Improvement in machine for cutting rasps |
 | 123,849 | Feb. 20, 1872 | A. Weed | Improvement in machines for cutting files |
| | 130,361 | Aug. 13, 1872 | G. Ames, W.T. Nicholson, S.B. Dean | Improvement in Machines for Cutting Teeth on Cylinders |
