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| Patents Granted on 1857-12-08 | |||||
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| Number | Date | Patentee | Title | Type | |
| 18,806 | Dec. 08, 1857 | J.D. Dale | Planing-machine | wood planers | |
| 18,828 | Dec. 08, 1857 | S.R. Tenney, A. Bennett | Shingle | shingle machines | |