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Patents for Henry J. Hartig
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	415,197	Nov. 19, 1889	H.J. Hartig	Gas Engine
	451,047	Apr. 28, 1891	H.J. Hartig	Governor for Engines
	674,580	May 21, 1901	H.J. Hartig	Speed-Regulator for Explosive-Engines

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