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| Patents for E. B. Requa | |||||
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| Number | Date | Patentee | Title | Type | |
| 27,928 | Apr. 17, 1860 | E.B. Requa | Horse Power | animal powered apparatus | |
| 40,502 | Nov. 03, 1863 | E.B. Requa | Saw Mill Head Block | sawmill headblocks | |