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Patents Granted on 1831-01-06 | |||||
Number | Date | Patentee | Title | Type | |
6,319X | Jan. 06, 1831 | I. Norton | Thrashing machine | threshers and thrashers | |
6,320X | Jan. 06, 1831 | E. Townsend, P. Durfee | Manufacturing ropes | rope maker |