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| Patents Granted on 1846-06-13 | |||||
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| Number | Date | Patentee | Title | Type | |
| 4,564 | Jun. 13, 1846 | A.B. Spencer | Machine for dressing saws | saw gummers | |
| 4,565 | Jun. 13, 1846 | J.J. Greenough | Machine for boring and mortising hubs | mortising machines | |