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| All Patents in class 241/129 | |||||
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| Number | Date | Patentee | Title | Type | |
| 277,134 | May 08, 1883 | F.A. Huntington | Crushing-mill | ore processing apparatus | |
| 318,117 | May 19, 1885 | F.A. Huntington | Centrifugal crushing-mill | ore processing apparatus | |
| 325,804 | Sep. 08, 1885 | F.A. Huntington | Crushing-mill | ore processing apparatus | |
| 556,466 | Mar. 17, 1896 | F.A. Huntington | Crushing-mill | ore processing apparatus | |
| 648,960 | May 08, 1900 | F.A. Huntington | Roller crushing-mill | ore processing apparatus | |