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| Patents Granted on 1833-01-31 | |||||
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| Number | Date | Patentee | Title | Type | |
| 7,399X | Jan. 31, 1833 | D. Newton | Clap board machine | clapboard machines | |
| 7,400X | Jan. 31, 1833 | M.D. Whipple | Forming axe eyes | tool making machines | |