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All Patents in class 241/124 | |||||
Number | Date | Patentee | Title | Type | |
277,134 | May 08, 1883 | F.A. Huntington | Crushing-mill | ore processing apparatus | |
325,804 | Sep. 08, 1885 | F.A. Huntington | Crushing-mill | ore processing apparatus | |
427,690 | May 13, 1890 | F.A. Huntington | Crushing-mill | ore processing apparatus |