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| Patents Granted on 1818-08-26 | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,989X | Aug. 26, 1818 | J. Meer | Bookbinding | ||
| 2,990X | Aug. 26, 1818 | N.H. Lewis | Sheeves for blocks | ||
| 2,991X | Aug. 26, 1818 | G.F. Valentine | Improvement in crystallizing tin | ||
| 2,992X | Aug. 26, 1818 | D. Rogers | Granulating gun powder | ||