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| Patents Granted on 1817-04-05 | |||||
| Number | Date | Patentee | Title | Type | |
| 2,770X | Apr. 05, 1817 | L.D. Detroismonts | Construction of chimneys, stoves, and fire places | ||
| 2,771X | Apr. 05, 1817 | J.P. Simpson | Improvement on the stove | stoves | |
| 2,772X | Apr. 05, 1817 | D. Fountain, M. Fountain | Saw mill | sawmills | |