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| Patents Granted on 1819-03-02 | |||||
| Number | Date | Patentee | Title | Type | |
| 3,082X | Mar. 02, 1819 | S. Parsons | Cloth shearing machine | splitting and shearing machinery | |
| NX-181,903,021 | Mar. 02, 1819 | J. Lloyd | Churn | churns | |