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| Patents for T. M. Chapman | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 8,330 | Sep. 02, 1851 | T.M. Chapman | Saw-filing machine | |
 | 11,930 | Nov. 14, 1854 | T.M. Chapman | Device for adjusting mill-saws | |
 | 37,853 | Mar. 10, 1863 | T.M. Chapman | Improvement in devices for gumming saws | |
 | 127,462 | Jun. 04, 1872 | T.M. Chapman | Improvement in saw-filing machines | |
 | 144,383 | Nov. 11, 1873 | T.M. Chapman | Improvement in saw-sharpening machines | |
 | 273,817 | Mar. 13, 1883 | T.M. Chapman | Feed-roll for saw-mills | |