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| All Patents in class 366/233 | |||||
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| Number | Date | Patentee | Title | Type | |
| 558,123 | Apr. 14, 1896 | B. Tupholme | Coffee Roaster | coffee roasters | |
| 694,565 | Mar. 04, 1902 | V.W. Mason, Jr. | Revolving Screen | separators | |