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| Patents Granted on 1846-04-04 | |||||
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| Number | Date | Patentee | Title | Type | |
| AI78 | Apr. 04, 1846 | J.W. Andrews | Brick burning | ||
| 4,434 | Apr. 04, 1846 | H.P. Nuckols | Machinery for cutting screws, etc., for bedsteads and chairs | wood lathes | |
| 4,443 | Apr. 04, 1846 | W. Race | Register for stoves | stoves | |