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| Patents Granted on 1830-12-23 | |||||
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| Number | Date | Patentee | Title | Type | |
| 6,302X | Dec. 23, 1830 | M. Carleton | Percussion lock | gunsmith | |
| 6,303X | Dec. 23, 1830 | C. Abbot, J. Eastman | Machine for cutting screws and turning steel, iron, etc. | ||
| 6,304X | Dec. 23, 1830 | G.C. Rix, J. Eastman | Wheels for carriages | wheelwright | |
| 6,305X | Dec. 23, 1830 | H. Johnson | Gumming the teeth from crosscut and sawmill saws | sawmills | |