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Patents for Samuel Hopkins
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	1X	Jul. 31, 1790	S. Hopkins	Making Pot And Pearl Ashes
	1,985X	Aug. 19, 1813	S. Hopkins	Preparation of flour of mustard
	2,797X	May 31, 1817	S. Hopkins	Preparation of the flour of mustard

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