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All Patents in class 123/434
Patents 1 - 10 of 10
First set of recordsLast set of records
300,661Jun. 17, 1884H.C. Swan, N.H. ThompsonGas Motor Enginegas and gasoline engines
306,924Oct. 21, 1884I.N. HopkinsGas Enginegas and gasoline engines
417,924Dec. 24, 1889E. KortingMethod of Automatic Ignition in Gas Enginesignition systems
460,070Sep. 22, 1891J.T. Hobbs, D.D. HobbsRotary Gas Enginerotary engines
509,830Nov. 28, 1893W. SeckHydrocarbon Motor
537,370Apr. 09, 1895C.V. WallsGas Engineinternal combustion engines
539,710May 21, 1895C. SintzGas Engineinternal combustion engines
713,792Nov. 18, 1902J.A. OstenbergExplosive Engine
816,047Mar. 27, 1906S. Byron, C.M. SmithValve Mechanism for Gas Enginesvalves
1,283,197Oct. 29, 1918R.M. HvidLiquid Fuel Feedoil engines
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