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| Patents Granted on 1830-08-11 | |||||
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| Number | Date | Patentee | Title | Type | |
| 6,088X | Aug. 11, 1830 | G.B. Lothian | Cutting and casting music types | printer | |
| 6,089X | Aug. 11, 1830 | E.H. Thomas, N. Woodcock | Pulp dresser | ||