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| Patents Granted on 1830-01-30 | |||||
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| Number | Date | Patentee | Title | Type | |
| 5,806X | Jan. 30, 1830 | A. Bull | Improvement in Boat Towlines | boats and ships | |
| 5,807X | Jan. 30, 1830 | E.W. Carpenter | Tongue Plane with a Two-Piece Cutter | plane blades | |
| 5,808X | Jan. 30, 1830 | J.B. Carpenter | Tackle windlass lever press | hoists, winches, come-alongs | |
| 5,809X | Jan. 30, 1830 | P. Summey | Washing gold from gravel and sand | ore processing apparatus | |