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| Patents Granted on 1812-08-03 | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,785X | Aug. 03, 1812 | F. Rotch | Constructing boats and vessels | boats and ships | |
| GB-181,203,590 | Aug. 03, 1812 | H. Osborn | Closing skelps preparatory to making gun-barrels | gunsmith | |