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| Patents Granted on 1834-02-12 | |||||
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| Number | Date | Patentee | Title | Type | |
| 8,018X | Feb. 12, 1834 | L.D. Cavarly | Hulling cotton and other seed | cotton seed hullers | |
| 8,019X | Feb. 12, 1834 | J.(. Ingham, J. Davis | Application of steam to machinery, endless screw | steam engines | |
| 8,020X | Feb. 12, 1834 | W. Morgridge | Thrashing machine and cleaning clover seed | threshers and thrashers | |
| 8,021X | Feb. 12, 1834 | W. Shepard | Water wheel | water wheels | |