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

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