All Patents in class 280 |
Patents 241 -
255
of 312
|
Number | Date | Patentee | Title | Type |
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 |
1,431,634 | Oct. 10, 1922 | G. Clements | Adjustable rear support for vacuum cleaners | handheld power blowers |
1,453,525 | May 01, 1923 | J. Ross | Adjustable Front Axle | traction engine steering apparatus |
1,537,249 | May 12, 1925 | R.E. Manley | Towing pole | vehicle mechanic |
1,559,541 | Nov. 03, 1925 | W.I. Ballentine | Trailer for Tractors | tractor trailers |
1,591,539 | Jul. 06, 1926 | A. Levedahl | Crank-case venting means for pneumatic tools | |
1,599,196 | Sep. 07, 1926 | C.C. Baldwin | Power Propelled Device | harvesters |
1,635,803 | Jul. 12, 1927 | H.B. Sperry | Tongue-supporting truck | |
1,648,372 | Nov. 08, 1927 | W.W. Trevor, D.A. Berean | Machine for operating on barrels and the like | cooper |
1,658,430 | Feb. 07, 1928 | F.V. Donald | Tractor hitch for lawn mowers | |