| All Patents in class 280 |
Patents 241 -
255
of 321
      |
| Number | Date | Patentee | Title | Type |
| 1,125,227 | Jan. 19, 1915 | I.A. Weaver | Tow bar for automobiles | vehicle mechanic |
| 1,136,564 | Apr. 20, 1915 | M.J. Todd | Vehicle Coupling | wagon and cart couplings |
| 1,138,447 | May 04, 1915 | W.P. Bradshaw | Motor Vehicle | steam road engines |
| 1,139,282 | May 11, 1915 | C.O. Heggem | Spring Wheel | traction engine steering apparatus |
| 1,189,378 | Jul. 04, 1916 | A.F. Mohr | Steering Gear for Motor Vehicles | steering apparatus |
| 1,189,909 | Jul. 04, 1916 | T. Bemis, Sr. | Unicycle | |
| 1,195,555 | Aug. 22, 1916 | J.A. Campbell | Floor dressing and polishing machine | floor sanders |
| 1,253,073 | Jan. 08, 1918 | L. Mayer, L.L. Mayer, E.A. Bye | Axle-mount for tractors | tractors |
| 1,271,537 | Jul. 09, 1918 | M.C. Bright | Steering-gear attachment | |
| 1,290,813 | Jan. 07, 1919 | I.A. Weaver | Towing-pole | vehicle mechanic |
| 1,308,537 | Jul. 01, 1919 | I.A. Weaver | Towing device | vehicle mechanic |
| 1,327,654 | Jan. 13, 1920 | C.R. Davis | Fertilizer-distributor | |
| 1,366,413 | Jan. 25, 1921 | F.C. Olin | Tractor | tractors |
| 1,374,513 | Apr. 12, 1921 | W.H. Townsend, J.A. Mosher | Velocipede | bicycles and tricycles |
| 1,388,410 | Aug. 23, 1921 | D.P. Davies | Tractor | tractors |
