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| Patents Granted on 1805-12-20 | |||||
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| Number | Date | Patentee | Title | Type | |
| 651X | Dec. 20, 1805 | W. Poole | Kiln for drying grain | kilns | |
| 652X | Dec. 20, 1805 | J. Abraham | Kilns for drying grain | grain dryers | |