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Patents for Henry C. Hart
Patents 1 - 3 of 3
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NumberDatePatenteeTitleType
569,918Oct. 20, 1896H.C. HartGas Enginegas and gasoline engines
588,061Aug. 10, 1897H.C. HartGas Enginegas and gasoline engines
588,062Aug. 10, 1897H.C. HartGas Enginegas and gasoline engines
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