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| Patents Granted on 1846-04-18 | |||||
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| Number | Date | Patentee | Title | Type | |
| 4,460 | Apr. 18, 1846 | W. Beach | Corn Sheller | corn shellers | |
| 4,466 | Apr. 18, 1846 | J.M. Armsby | Improvement in the Way and Manner of Guiding and Regulating the Operation of Plows | clevises | |