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| Patents Granted on 1831-10-11 | |||||
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| Number | Date | Patentee | Title | Type | |
| 6,793X | Oct. 11, 1831 | L.L. Macomber | Manufacturing caps and rendering them water proof | ||
| 6,794X | Oct. 11, 1831 | D. Treadwell | Spinning hemp and flax | flax and hemp machines | |