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Patents for William H. Porter
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	6,321X	Jan. 07, 1831	A. Gorham	Stump machine
	CA-259,204	Mar. 23, 1926	W.H. Porter	Feed clutch
	CA-273,212	Aug. 16, 1927	W.H. Porter	Feed clutch

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