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| All Patents in class 198/845 | |||||
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| Number | Date | Patentee | Title | Type | |
| 145,771 | Dec. 23, 1873 | S. Wheeler | Improvement in ore-washers | ore processing apparatus | |
| 1,702,036 | Feb. 12, 1929 | R.W. Burns | Clamp Carrier | clamp carriers | |