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Patents Granted on 1832-03-27 | |||||
Number | Date | Patentee | Title | Type | |
6,976X | Mar. 27, 1832 | P.C. Curtis | Forge backs and for other fires where a blast is required | blacksmith | |
6,977X | Mar. 27, 1832 | D. Humberd, G. Downs | Bark mill | bark processing machines |