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| All Patents in class 366/234 | |||||
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| Picture | Number | Date | Patentee | Title | |
| 156,550 | Nov. 03, 1874 | T.O. Doill | Coffee Roasters | ||
| 228,205 | Jun. 01, 1880 | D. Lumbert | Corn Popper | ||
| 250,578 | Dec. 06, 1881 | G.W. Richmond | Coffee Roaster | ||
| 256,718 | Apr. 18, 1882 | T.F. McCaffrey | Coffee and Nut Roaster | ||
| 603,923 | May 10, 1898 | W.R. Ramsey | Coffee Roaster | ||
| 694,565 | Mar. 04, 1902 | V.W. Mason, Jr. | Revolving Screen | ||