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| Patents Granted on 1811-03-28 | |||||
| Number | Date | Patentee | Title | Type | |
| 1,479X | Mar. 28, 1811 | H. Mumford | Churn | churns | |
| 1,480X | Mar. 28, 1811 | R.C. Van Houton | Thrashing machine | miller | |
| 1,481X | Mar. 28, 1811 | L. Cook | Four wheel carriages to be moved by manual labor | ||