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| All Patents in class 165/93 | |||||
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| Number | Date | Patentee | Title | Type | |
| 295,200 | Mar. 18, 1884 | A.W. Roper | Machine for Roasting Coffee | coffee roasters | |
| 814,238 | Mar. 06, 1906 | T.F. Sheridan | Roasting-furnace | industrial furnaces | |