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| Patents Granted on 1830-01-18 | |||||
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| Number | Date | Patentee | Title | Type | |
| 5,781X | Jan. 18, 1830 | W. Coffield | Mode of catchnig ducks | ||
| 5,782X | Jan. 18, 1830 | J. Myers, C. Tiers | Tiller wheel | ||
| 5,783X | Jan. 18, 1830 | A. Watson | Excavator | excavators | |