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Patents for Nathaniel A. Prentiss
Patents 1 - 2 of 2
Picture	Number	Date	Patentee	Title
	162,230	Apr. 20, 1875	H.S. Smith, E.J. Granger	Improvement in barrel-head adjusters
	162,913	May 04, 1875	E.J. Granger	Improvement in compound chucks for veneer-cutting machines

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