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Patents for John H. Swartwout
Patents 1 - 2 of 2
Picture	Number	Date	Patentee	Title
	75,728	Mar. 24, 1868	S. Clement, G. Brooks	Improvement in machines for making excelsior
	RE9,122	Mar. 23, 1880	A.P. Barlow	Muley saw

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