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| Patents Granted on 1826-10-25 | |||||
| Number | Date | Patentee | Title | Type | |
| 4,550X | Oct. 25, 1826 | S.R. Johnson | Horse saw mill | sawmills | |
| 4,551X | Oct. 25, 1826 | H. Whitcomb | Method of discharging cannon | ||
| 4,552X | Oct. 25, 1826 | C. Foss | Bark mill | bark processing machines | |