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Patents for Silas Hitchcock
Patents 1 - 3 of 3
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NumberDatePatenteeTitleType
1,950XJun. 25, 1813S. HitchcockWashing machinewashing machines
1,951XJun. 25, 1813S. HitchcockPress
1,982XAug. 07, 1813S. HitchcockPendulum churnchurns
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