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| Patents for Charles Richmond | |||||
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| Number | Date | Patentee | Title | Type | |
| 6,460X | Apr. 07, 1831 | C. Richmond, S. Caswell, Jr. | Spades and shovels | making hoes | |
| 7,166X | Jul. 13, 1832 | S. Caswell, Jr., C. Richmond | Spade socket | spades and forks | |
| 57,769 | Sep. 04, 1866 | C. Richmond | Combined Wrench and Tool Holder | nut wrenches | |