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| All Patents in class 241/162 | |||||
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| Number | Date | Patentee | Title | Type | |
| 4,342X | Feb. 23, 1826 | D. Flagg, Jr. | Family mill | miller | |
| 5,266 | Aug. 28, 1847 | A. Fisher | Mill for Grinding Corn in the Cob | corn grinders | |
| 20,692 | Jun. 29, 1858 | B.A. Beardsley | Bark Mill | bark processing machines | |
| 309,189 | Dec. 16, 1884 | J.C. Blevney | Machine for pulverizing ores, &c. | ||
| 424,919 | Apr. 01, 1890 | G.W. Brown | Grinding-machine | ||
| 575,588 | Jan. 19, 1897 | D.W. Bovee | Feed Grinder | grinding mills | |