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All Patents in class 280/7
Patents 1 - 15 of 19
First set of recordsNext set of recordsLast set of records
16,937Mar. 31, 1857D.B. SpencerSteam Plowsteam plows
123,395Feb. 06, 1872J. GreensladeImprovements in Traction Enginessteam traction engines
230,297Jul. 20, 1880J.B. Roush, D. LippyTraction Enginesteam traction engines
258,683May 30, 1882E.J. TaylorTraction Enginesteam traction engines
264,500Sep. 19, 1882A.L. Wilson, T.F. WilsonDevice for Leveing Boilers of Road Enginessuspensions
270,999Jan. 23, 1883C.L. Pagenhart, E.J. TaylorRoad Enginesteam road engines
291,075Jan. 01, 1884W.S. OwningsTraction Enginesuspensions
300,271Jun. 10, 1884H.B. LarzelereTraction Enginesuspensions
354,605Dec. 21, 1886T.A. LongPortable or Traction Enginesuspensions
415,496Nov. 19, 1889E.E. CallahanTraction Enginesuspensions
428,837May 27, 1890J.L. Freeman, W.H. FreemanBoiler Levelersuspensions
436,267Sep. 09, 1890F. SaxonBoiler Leveling Device for Road Enginesboiler leveling apparatus
442,777Dec. 16, 1890O.O. KravikBoiler Levelerportable steam engines
506,691Oct. 17, 1893W.R. HitchcockLeveler for Road Enginessuspensions
545,287Aug. 27, 1895W.C. HancockLeveling Machinesuspensions
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