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All Patents in class 451/328 | |||||
Number | Date | Patentee | Title | Type | |
44,704 | Oct. 18, 1864 | J. Burns | Coffee Roaster | coffee roasters | |
223,993 | Feb. 03, 1880 | J.H. Chamberlin | Coffee Roaster | coffee roasters | |
310,026 | Dec. 30, 1884 | W.H. Bruning | Coffee Roaster | coffee roasters | |
310,027 | Dec. 30, 1884 | W.H. Bruning | Coffee Roaster | coffee roasters | |
602,555 | Apr. 19, 1898 | R.L. Davis, W.J. Davis | Coffee Roaster | coffee roasters |