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| Patents Granted on 1831-01-14 | |||||
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| Number | Date | Patentee | Title | Type | |
| 6,339X | Jan. 14, 1831 | S. Dawley | Double tooth saw for sawing timber | crosscut saws | |
| 6,340X | Jan. 14, 1831 | E. Hidden | Percussion lock for cannon | gunsmith | |