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Patents for Heinrich Stollwerck | |||||
Number | Date | Patentee | Title | Type | |
308,529 | Nov. 25, 1884 | H. Stollwerck | Coca Roaster | seed or nut roasters | |
324,182 | Aug. 11, 1885 | H. Stollwerck | Grain Dryer | coffee dryers | |
423,458 | Mar. 18, 1890 | H. Stollwerck | Apparatus for Roasting Coffee | coffee roasters |