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| Patents Granted on 1839-10-12 | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,366 | Oct. 12, 1839 | O.G. Merchant, N.R. Merchant | Improvement in machines for planting corn | corn planters | |
| 1,368 | Oct. 12, 1839 | W.G. Burr | Tool or instrument to be used in the manufacturing of barrels, kegs, and other kinds of cooper's ware | barrel making machines | |