| All Patents in class 180/448 |
Patents 31 -
37
of 37
      |
| Number | Date | Patentee | Title | Type |
| 571,964 | Nov. 24, 1896 | J.F. Adams | Steering Mechanism | steam rollers |
| 587,714 | Aug. 10, 1897 | E.K. Dutton | Road Locomotive | steam road engines |
| 595,254 | Dec. 07, 1897 | W.B. Schreiber | Steering Device for Motor Vehicles | traction engine steering apparatus |
| 661,844 | Nov. 13, 1900 | F. Brutschke | Road Locomotive | steam road engines |
| 1,072,824 | Sep. 09, 1913 | H.C. Clay | Power Steering Gear for Traction Engines | traction engine steering apparatus |
| 1,162,728 | Nov. 30, 1915 | C.E. Sargent | Rein Controlled Device | tractor steering apparatus |
| 1,631,182 | Jun. 07, 1927 | A.H. Exton, R.I. Alexander | Traction Equipment for Mobile Machinery | heavy vehicles |
