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| Patents Granted on 1846-05-__ | |||||
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| Number | Date | Patentee | Title | Type | |
| 4,501 | May 09, 1846 | W.R. Kelsey | Bee Hive | apiary apparatus | |
| 4,510 | May 09, 1846 | J.H. Lester | Stave jointer | cooper | |
| 4,525 | May 16, 1846 | A.W. Gray | Wrought-nail machinery | nail making machines | |
| 4,534 | May 23, 1846 | W. Read | Machine for reaming faucets | portable timber borers | |
| 4,542 | May 28, 1846 | W.H. Baker, H.R. Worthington | Balancing valves of steam-engines | steam engine valves | |
| 4,548 | May 30, 1846 | T.W. Harvey | Making Wood Screws | screw machines | |