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| Patents Granted on 1830-01-15 | |||||
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| Number | Date | Patentee | Title | Type | |
| 5,776X | Jan. 15, 1830 | A.D. Armstrong | Plow | plows | |
| 5,777X | Jan. 15, 1830 | P. Cornell | Knife sharpener | ||
| 5,778X | Jan. 15, 1830 | J. Gorgas | machine for shelling clover seed | miller | |
| 5,779X | Jan. 15, 1830 | E. Perkins | Blister plaister | ||
| 5,780X | Jan. 15, 1830 | J. Smith, S.C. Whistler | Separating and grinding gold | ore processing apparatus | |