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All Patents in class 123/405
Patents 1 - 14 of 14
First set of recordsLast set of records
194,047Aug. 14, 1877N.A. OttoGas-Motor enginesgas engines
273,750Mar. 13, 1883H.S. MaximGas Engineignition systems
307,057Oct. 21, 1884S. LawsonGas Enginegas engines
416,649Dec. 03, 1889C. SintzGas Enginegas engines
442,963Dec. 16, 1890J.H. EichlerRotary Gas Enginerotary gas engines
445,110Jan. 20, 1891M.A. GrahamGas Enginegas engines
535,964Mar. 19, 1895H. SwainGas Enginegas engines
542,972Jul. 16, 1895J. BryanGas Enginegas engines
556,086Mar. 10, 1896H.G. CarellGas Enginegas engines
558,369Apr. 14, 1896J.W. EisenhuthGas Enginegas engines
740,571Oct. 06, 1903G. JoransonGas Enginegas engine valves
835,634Nov. 13, 1906F.C. OlinValve for Gas and Similar Enginesgas engines
923,594Jun. 01, 1909C.G. SpradoGas Enginegas engine valves
1,279,774Sep. 24, 1918C.G. SpradoGas Enginegovernors
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