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| Patents Granted on 1826-07-31 | |||||
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| Number | Date | Patentee | Title | Type | |
| 4,503X | Jul. 31, 1826 | J. Northrop | Grist mills | grist mills | |
| 4,504X | Jul. 31, 1826 | J. Webster | Machine for grinding shelled corn | miller | |