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| Patents for Stephen McCormick | |||||
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| Number | Date | Patentee | Title | Type | |
| FX-3,063 | Feb. 03, 1819 | S. McCormick | Plough | plows | |
| 4,325X | Jan. 28, 1826 | S. McCormick | Plough | plows | |
| 5,253X | Oct. 22, 1828 | S. McCormick | Improvement on plough patented jan 28 1826 | plows | |