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| Patents Granted on 1828-03-08 | |||||
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| Number | Date | Patentee | Title | Type | |
| 5,028X | Mar. 08, 1828 | W. Magaw | Material for making paper | manufacturing paper | |
| 5,029X | Mar. 08, 1828 | H. Salisbury | Tar jack, or machine for raising vehicles | lifting tools | |
| 5,030X | Mar. 08, 1828 | R. Loveridge | Construction of ploughs | plows | |