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| Patents Granted on 1809-12-21 | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,182X | Dec. 21, 1809 | E. Olds, P. Upham | Sawing machine | other wood sawing machines | |
| 1,183X | Dec. 21, 1809 | P. White, E. Jones | Machine for drilling rocks | ||