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| Patents for J. A. Ayres | |||||
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| Number | Date | Patentee | Title | Type | |
| 38,141 | Apr. 14, 1863 | J.A. Ayres | Improvement in Screws | screws | |
| 39,206 | Jul. 14, 1863 | J.A. Ayres | Improved Screwdriver | screwdriver blades | |