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| Patents Granted on 1834-09-25 | |||||
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| Number | Date | Patentee | Title | Type | |
| 8,419X | Sep. 25, 1834 | I.W. Elmore | Dressing mill stones | miller | |
| 8,420X | Sep. 25, 1834 | A. Hayward | Cast iron fire-places | ||
| 8,421X | Sep. 25, 1834 | D. Knauer | Thrashing maching and corn shelling | threshers and thrashers | |