| All Patents in class 180/6.48 |
Patents 1 -
7
of 7
      |
| Number | Date | Patentee | Title | Type |
| 115,280 | May 30, 1871 | J.H. Clapham | Improvements in Traction Engines | steam traction engines |
| 231,569 | Aug. 24, 1880 | D.J. Havenstrite | Traction Engine | steam traction engines |
| 232,739 | Sep. 28, 1880 | J.F. Marks | Traction Engine | steam traction engines |
| 484,828 | Oct. 25, 1892 | D.S. Stewart | Traction Engine | traction engine tracks |
| 505,151 | Sep. 19, 1893 | A.C. Ames | Traction Engine | steam traction engines |
| 680,918 | Aug. 20, 1901 | J.E. Henris | Traction Engine | traction engine tracks |
| 1,359,294 | Nov. 16, 1920 | M.J. Trumble | Tractor | steam traction engines |
