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| Patents Granted on 1812-03-04 | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,678X | Mar. 04, 1812 | D. Waldron | Extracting icthyocalla or fish glues | ||
| FX-1,678 | Mar. 04, 1812 | E. Thayer | Machine for making boots and shoes | shoe and boot making machines | |