| All Patents in class 280/7 |
Patents 1 -
10
of 19
      |
| Picture | Number | Date | Patentee | Title |
 | 16,937 | Mar. 31, 1857 | D.B. Spencer | Steam Plow |
| | 123,395 | Feb. 06, 1872 | J. Greenslade | Improvements in Traction Engines |
| | 230,297 | Jul. 20, 1880 | J.B. Roush, D. Lippy | Traction Engine |
| | 258,683 | May 30, 1882 | E.J. Taylor | Traction Engine |
| | 264,500 | Sep. 19, 1882 | A.L. Wilson, T.F. Wilson | Device for Leveing Boilers of Road Engines |
| | 270,999 | Jan. 23, 1883 | C.L. Pagenhart, E.J. Taylor | Road Engine |
| | 291,075 | Jan. 01, 1884 | W.S. Ownings | Traction Engine |
| | 300,271 | Jun. 10, 1884 | H.B. Larzelere | Traction Engine |
| | 354,605 | Dec. 21, 1886 | T.A. Long | Portable or Traction Engine |
| | 415,496 | Nov. 19, 1889 | E.E. Callahan | Traction Engine |
