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| All Patents in class 99/286 | |||||
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| Number | Date | Patentee | Title | Type | |
| 115,302 | May 30, 1871 | J. Galloway | Improvement in Coffee Roasters | coffee roasters | |
| 344,597 | Jun. 29, 1886 | A.L. Saint-Aubin | Process of and Apparatus for Treating Coffee | roasting coffee | |