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Patents for J. Vance Powers
Patents 1 - 2 of 2
Picture	Number	Date	Patentee	Title
	74,521	Feb. 18, 1868	J.E. Emerson	Improvement in saws
	74,523	Feb. 18, 1868	W.S. Winsor, J.E. Emerson	Improvement in saws

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