| Patents for William T. Nicholson |
Patents 1 -
10
of 23
      |
| Picture | Number | Date | Patentee | Title |
 | 8,199 | Jul. 01, 1851 | J. Crum | Machinery for Cutting Files |
 | 28,104 | May 01, 1860 | W.T. Nicholson | Spirit Level |
 | 42,216 | Apr. 05, 1864 | W.T. Nicholson | Improvement in File Cutting Machines |
 | 42,217 | Apr. 05, 1864 | W.T. Nicholson | Improvement in File Cutting Machines |
 | 44,443 | Sep. 27, 1864 | W.T. Nicholson | Improved File for Dressing Metal |
 | 45,850 | Jan. 10, 1865 | W.T. Nicholson | Improved Machine for Forging File Blanks |
 | 58,025 | Sep. 11, 1866 | W.T. Nicholson | Improvement in Files |
 | 78,681 | Jun. 09, 1868 | W.T. Nicholson | Improved Machine for Cutting Files |
 | 94,503 | Sep. 07, 1869 | W.T. Nicholson | Improvement in Rasps |
| | 130,361 | Aug. 13, 1872 | G. Ames, W.T. Nicholson, S.B. Dean | Improvement in Machines for Cutting Teeth on Cylinders |
