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| Patents for Stephen W. Whitman | |||||
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| Number | Date | Patentee | Title | Type | |
| 4,107X | May 07, 1825 | S.W. Whitman | Plough | plows | |
| 4,249X | Nov. 04, 1825 | S.W. Whitman | Cast iron shoes for horses or oxen | farrier | |