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| Patents for J. F. Cowdery | |||||
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| Number | Date | Patentee | Title | Type | |
| 82,058 | Sep. 15, 1868 | O. Adams, J. Hatch | Improvement in mortising-chisel | mortise chisels | |
| 92,609 | Jul. 13, 1869 | J. Hatch | Improvement in variety molding-machine | molders | |