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| Patents Granted on 1815-04-28 | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,298X | Apr. 28, 1815 | B. Wilbor | Steam engine | steam engines | |
| 2,299X | Apr. 28, 1815 | A. Mathews | Manufacturing button moulds of wood | button making machinery | |
| 2,300X | Apr. 28, 1815 | J. Smith | Gathering clover seed | ||
| 2,301X | Apr. 28, 1815 | J. Kneass | Printing on the back or reverse face of bank notes to prevent counterfeits | ||
| 2,302X | Apr. 28, 1815 | W. Stillman | Cloth shearing machine | splitting and shearing machinery | |