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| Patents Granted on 1811-02-28 | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,449X | Feb. 28, 1811 | E. Willmarth | Shearing cloth | splitting and shearing machinery | |
| 1,450X | Feb. 28, 1811 | W. Pond | Manufacturing straw wove platt | ||
| 1,451X | Feb. 28, 1811 | J. Goulding | Machine for cutting felloes for wheels | wheelwright | |