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Patents for Harry J. Smith
Patents 1 - 4 of 4
First set of recordsLast set of records
NumberDatePatenteeTitleType
D34,935Aug. 13, 1901H.J. SmithGas Engine Frame or Casinginternal combustion engines
757,064Apr. 12, 1904H.J. SmithElectric Igniter for Gas Enginesignition systems
801,927Oct. 17, 1905H.J. SmithFuel Mixing Device for Gas Enginescarburetors
818,714Apr. 24, 1906H.J. SmithValve Mechanism for Gas Enginesinternal combustion engine valves
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