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| Patents for Richard Walker | |||||
| Number | Date | Patentee | Title | Type | |
| 7,482X | Mar. 12, 1833 | R. Walker | Water wheel and applying water thereto | water wheels | |
| 8,264X | Jun. 17, 1834 | L.V. Badger, R. Walker | Windlass | ||
| 5,149 | Jun. 12, 1847 | R. Walker | File Cutting Machine | file cutting machines | |
| 51,765 | Dec. 26, 1865 | R. Walker | Spoke Gage | wheelwright | |