| Patents for Thomas M. Chapman |
Patents 1 -
6
of 6
      |
| Number | Date | Patentee | Title | Type |
| 8,330 | Sep. 02, 1851 | T.M. Chapman | Saw-filing machine | saw sharpening machines |
| 11,930 | Nov. 14, 1854 | T.M. Chapman | Device for adjusting mill-saws | reciprocating sawmills |
| 127,462 | Jun. 04, 1872 | T.M. Chapman | Improvement in saw-filing machines | saw sharpening machines |
| 144,383 | Nov. 11, 1873 | T.M. Chapman | Improvement in saw-sharpening machines | saw sharpening machines |
| 200,507 | Feb. 19, 1878 | T.M. Chapman | Improvement in stave-jointers | barrel making machines |
| 273,817 | Mar. 13, 1883 | T.M. Chapman | Feed-roll for saw-mills | woodworking machine stockfeeding mechanisms |
