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| All Patents in class 220/213 | |||||
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| Number | Date | Patentee | Title | Type | |
| 122,357 | Jan. 02, 1872 | C.C. Butt | Coffee Roaster | coffee roasters | |
| 137,839 | Apr. 15, 1873 | J. Hart | Coffee Roasters | coffee roasters | |