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| Patents for R. W. Deweise | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,089,413 | Mar. 10, 1914 | H.L. Johnston | Grinding-disk for coffee-mills and the like | coffee mills | |
| 1,156,904 | Oct. 19, 1915 | H.L. Johnston | Clutch mechanism for grinders and choppers | food grinders | |