| Patents for Thomas W. Porter |
Patents 1 -
10
of 14
      |
| Picture | Number | Date | Patentee | Title |
 | 52,188 | Jan. 23, 1866 | J. Mutty | Improvement in feed-rollers to circular saws |
 | 72,327 | Dec. 17, 1867 | H.K. Porter, T.W. Porter | Improvement in vises |
 | 101,903 | Apr. 12, 1870 | J.I. Munroe | Improvement in bung-cutter |
 | 103,925 | Jun. 07, 1870 | H.K. Porter | Improvement in saw-set |
 | 144,187 | Nov. 04, 1873 | A. Burnham | Improvement in machines for cutting the heads of fence-pickets |
 | RE5,653 | Nov. 11, 1873 | H.K. Porter, T.W. Porter | Improvement in vises |
 | 226,190 | Apr. 06, 1880 | H.K. Porter | Bolt-cutter |
 | 236,695 | Jan. 18, 1881 | H.K. Porter | Bolt-cutter |
 | 290,137 | Dec. 11, 1883 | E.W. Strange | Set-works for saw-mills |
| | 292,422 | Jan. 22, 1884 | J.B. Emery | Cutter-head |
