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| Patents Granted on 1828-03-18 | |||||
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| Number | Date | Patentee | Title | Type | |
| 5,042X | Mar. 18, 1828 | J. Brown | Corn Sheller | corn shellers | |
| 5,043X | Mar. 18, 1828 | C.F. Albrecht | Piano fortes | music instrument maker | |