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| Patents Granted on 1827-01-16 | |||||
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| Number | Date | Patentee | Title | Type | |
| 4,633X | Jan. 16, 1827 | S. Guilford | Water proof mortar or cement | ||
| 4,634X | Jan. 16, 1827 | A. Bencine | Grist mill | grist mills | |
| 4,635X | Jan. 16, 1827 | H. Russell | Plough for planting cotton | plows | |