| All Patents in class 76/20 |
Patents 1 -
10
of 11
      |
| Picture | Number | Date | Patentee | Title |
 | 8,199 | Jul. 01, 1851 | J. Crum | Machinery for Cutting Files |
 | 16,681 | Feb. 24, 1857 | I.H. Coller | File-cutting machine |
 | 22,842 | Feb. 01, 1859 | M.D. Whipple | Machine for cutting files |
 | 42,217 | Apr. 05, 1864 | W.T. Nicholson | Improvement in File Cutting Machines |
 | 46,865 | Mar. 14, 1865 | A. Weed | Machine for cutting files |
 | 239,412 | Mar. 29, 1881 | A. Weed | File-cutting machine |
| | 293,591 | Feb. 12, 1884 | F. Outram | Sliding Bed for Machinery |
 | 323,874 | Aug. 04, 1885 | H.F. Liebmann | File-cutting machine |
 | 424,053 | Mar. 25, 1890 | C.M. Fairbanks | Machine for Cutting Files |
 | 530,143 | Dec. 04, 1894 | A. Weed | Machine for stripping file-blanks |
