| All Patents in class 254/327 |
Patents 1 -
9
of 9
      |
| Number | Date | Patentee | Title | Type |
| 129,984 | Jul. 30, 1872 | D.C. Pierce | Improvement in Traction-Engines | traction engine propulsion components |
| 310,980 | Jan. 20, 1885 | F.W. Bohn | Traction Engine | steam traction engines |
| 645,630 | Mar. 20, 1900 | R.A. Schultz, C.L. Schultz | Traction Engine | internal combustion traction engines |
| 704,736 | Jul. 15, 1902 | D.W. Combs | Attachment for Traction Engines | steam traction engines |
| 743,336 | Nov. 03, 1903 | W. Salway | Attachment for Steam Rollers | steam rollers |
| 812,137 | Feb. 06, 1906 | W.S. Kelley | Traction Engine | steam traction engines |
| 819,226 | May 01, 1906 | C.O. Heggem | Traction Engine | steam traction engines |
| 990,108 | Apr. 18, 1911 | H.T. Shipley, J.W. Challoner | Hay and Grain Loader | hay or straw loaders |
| 2,382,054 | Aug. 14, 1945 | L.L. Hercik | Portable crane | portable cranes |
