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| All Patents in class 34/179 | |||||
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| Picture | Number | Date | Patentee | Title | |
| 90,386 | May 25, 1869 | H.W. Persing | Coffee Roaster | ||
| 234,952 | Nov. 30, 1880 | M.T. Brown | Coffee Roaster | ||
| 254,547 | Mar. 07, 1882 | E.A. Hartsell | Coffee Roaster | ||
| 262,390 | Aug. 08, 1882 | G. Fisher | Coffee Roaster | ||
| 377,443 | Feb. 07, 1888 | O. Walden | Coffee Roaster | ||
| 575,983 | Jan. 26, 1897 | H.D. Perky | Coffee Roaster | ||
| 642,824 | Feb. 06, 1900 | J.A. McCaskell | Coffee Roaster | ||
 | 680,588 | Aug. 13, 1901 | C.A. Hege | Machine for hulling coffee, &c. | |