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Patents for Henry C. Hart Mfg. Co.
Patents 1 - 3 of 3
Number	Date	Patentee	Title	Type
588,061	Aug. 10, 1897	H.C. Hart	Gas Engine	gas and gasoline engines
588,062	Aug. 10, 1897	H.C. Hart	Gas Engine	gas and gasoline engines
623,224	Apr. 18, 1899	E.j. Stoddard	Gas Motor Engine	gas and gasoline engines

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