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| Patents Granted on 1851-07-22 | |||||
| Number | Date | Patentee | Title | Type | |
| 8,245 | Jul. 22, 1851 | W. Hawkins | Stave-dressing machine | barrel making machines | |
| 8,246 | Jul. 22, 1851 | J. Burgess | Machine for dressing boot-forms | specialty woodworking machines | |