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Patents for J. D. Putnam & Co.
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	173,767	Feb. 22, 1876	H.B. Cornish, C.P. Hunt	Improvement in machines for sawing staves
	173,781	Feb. 22, 1876	I. Graves	Improvement in machines for crozing staves
	175,669	Apr. 04, 1876	H.B. Cornish, C.P. Hunt	Improvement in machines for jointing staves

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