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Patents for Joseph S. Rogers
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	NS-75	Nov. 11, 1861	J.S. Rogers	Gold washer
	NS-83	Mar. 26, 1862	J.S. Rogers	Eureka gold amalgamator
	140,852	Jul. 15, 1873	J.E. Sinclair	Improvement in clamps

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