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| Patents for Daniel Powles | |||||
| Number | Date | Patentee | Title | Type | |
| 3,397X | Oct. 31, 1821 | D. Powles | Bedsteads | ||
| 4,643X | Jan. 26, 1827 | D. Powles | Stirrup irons | ||
| 4,644X | Jan. 26, 1827 | D. Powles | Bedstead, sacking bottom | ||