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Patents for Silas Hitchcock
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	1,950X	Jun. 25, 1813	S. Hitchcock	Washing machine
	1,951X	Jun. 25, 1813	S. Hitchcock	Press
	1,982X	Aug. 07, 1813	S. Hitchcock	Pendulum churn

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