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Patents for George Campbell | |||||
Number | Date | Patentee | Title | Type | |
5,324X | Jan. 07, 1829 | G. Campbell | Tables used for drying cut tobacco | ||
100,975 | Mar. 22, 1870 | G. Campbell | Forging Metals | portable forges | |
285,224 | Sep. 18, 1883 | G. Campbell | Forge | forges |