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| Patents Granted on 1851-11-25 | |||||
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| Number | Date | Patentee | Title | Type | |
| RE207 | Nov. 25, 1851 | S. Merrick | Wrench | nut wrenches | |
| 8,548 | Nov. 25, 1851 | M. Peck | Drop Hammer | drop hammers | |
| 8,550 | Nov. 25, 1851 | F. Skinner | Shingle-machine | shingle machines | |