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Patents for Silas Hitchcock | |||||
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 |