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| Patents Granted on 1816-12-13 | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,705X | Dec. 13, 1816 | J. Adamson | Floating dry dock | ||
| 2,706X | Dec. 13, 1816 | J. Tucker | Machine for cleaning the bottoms of rivers | ||
| 2,707X | Dec. 13, 1816 | H. Ricketson | Steam boiler | stationary boilers | |