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Patents for Stephen Hempstead Jr.
Patents 1 - 2 of 2
Picture	Number	Date	Patentee	Title
	4,769X	May 25, 1827	S. Hempstead, Jr.	Water proof stiffening for hats
	4,909X	Oct. 26, 1827	S. Hempstead, Jr.	Water-proof stiffening for hats

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