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| All Patents in class 34/127 | |||||
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| Picture | Number | Date | Patentee | Title | |
| 308,169 | Nov. 18, 1884 | R.S. Jennings | Method and Device for Roasting Coffee | ||
| 591,307 | Oct. 05, 1897 | B. Tupholme | Apparatus for Roasting Coffee | ||
| 618,644 | Jan. 31, 1899 | O. Collins | Cotton-Seed Roaster | ||