Patents for T. 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 |
37,853 | Mar. 10, 1863 | T.M. Chapman | Improvement in devices for gumming saws | saw sharpening machines |
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 |
273,817 | Mar. 13, 1883 | T.M. Chapman | Feed-roll for saw-mills | woodworking machine stockfeeding mechanisms |