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Patents for Charles S. Hamlin
Patents 1 - 2 of 2
Picture	Number	Date	Patentee	Title
	432,528	Jul. 22, 1890	C.S. Hamlin, A.C. Harper	Machine for Punching and Riveting
	585,865	Jul. 06, 1897	C.S. Hamlin	Pipe Truing Lathe

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