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| Patents Granted on 1826-12-22 | |||||
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| Number | Date | Patentee | Title | Type | |
| 4,608X | Dec. 22, 1826 | H.S. Clark | Machine for breaking hides | ||
| 4,609X | Dec. 22, 1826 | P.S. Mattes, P. Mattes, J. Madison | Machine for manufacturing slate | stonemason | |
| 4,610X | Dec. 22, 1826 | J.C. Rives | Mode of drawing lotteries | ||
| 4,611X | Dec. 22, 1826 | H. Allen | Machine for planing boards | wood planers | |