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All Patents of Type: valves
Patents 1 - 5 of 5
First set of recordsLast set of records
816,047Mar. 27, 1906S. Byron, C.M. SmithValve Mechanism for Gas Enginesvalves
1,346,204Jul. 13, 1920R.M. HvidValve for Hydrocarbon Enginevalves
1,346,205Jul. 13, 1920R.M. HvidOil Burning Enginevalves
1,395,658Nov. 01, 1921J. ScholtzGas Enginevalves
1,476,012Dec. 04, 1923R.M. HvidFuel Supply Valvevalves
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