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| Patents Granted on 1861-09-24 | |||||
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| Number | Date | Patentee | Title | Type | |
| 33,330 | Sep. 24, 1861 | S.S. Bartlett | Improved mortising-machine | mortising machines | |
| 33,334 | Sep. 24, 1861 | A.H. Brown | Improved machine for turning ovals | wood lathes | |
| 33,370 | Sep. 24, 1861 | W. Sisson | Improvement in stave-machines | barrel making machines | |