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| Patents Granted on 1813-02-04 | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,871X | Feb. 04, 1813 | E. Cutter | Machine for cutting fur from peltry | ||
| 1,872X | Feb. 04, 1813 | A. Stowell | Machine for heading wood screws | wood threading machines | |
| 1,873X | Feb. 04, 1813 | S. Dempsey | Manufacturing acetate of copper or verdigris | ||