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| Patents for Charles D. Barnes | |||||
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| Number | Date | Patentee | Title | Type | |
| 299,165 | May 27, 1884 | S. Robinson | Wrench | screw adjust wrenches | |
| 309,876 | Dec. 30, 1884 | C. Reising | Ratchet Drill | ratchet braces | |