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| Patents Granted on 1843-12-20 | |||||
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| Number | Date | Patentee | Title | Type | |
| 3,382 | Dec. 20, 1843 | J.C. Gillett | Machine for cutting shingles | shingle machines | |
| 3,384 | Dec. 20, 1843 | J. Peck | Bench-vise | bench vises | |
| 3,387 | Dec. 20, 1843 | J. Guild | Bedstead-fastening | beds and bedsteads | |