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| Patents Granted on 1817-08-11 | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,824X | Aug. 11, 1817 | J. Andrews | Cutting wood and metal screw | ||
| 2,825X | Aug. 11, 1817 | J. Andrews | Vertical axes, steps, or ink and gudgeon for mills | axes | |