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| All Patents in class 366/312 | |||||
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| Number | Date | Patentee | Title | Type | |
| 18,710 | Nov. 24, 1857 | A. Kolman, E. Schneider | Coffee Roaster | coffee roasters | |
| 19,827 | Apr. 06, 1858 | R. Brown | Coffee Roaster | coffee roasters | |
| 97,644 | Dec. 07, 1869 | J. Jay | Coffee Roaster | coffee roasters | |
| 110,916 | Jan. 10, 1871 | L. Houcke | Coffee Roaster | coffee roasters | |
| 340,328 | Apr. 20, 1886 | M.A. Laska | Coffee Roaster | coffee roasters | |
| 864,632 | Aug. 27, 1907 | T.J. Fegley | Ice-cream freezer | ||
| 1,674,903 | Jun. 26, 1928 | T.F. Rataiczak, H.L. Johnston | Mixing machine | ||