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| Patents for Oliver Evans | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 3X | Dec. 18, 1790 | O. Evans | Manufacturing Flour and Meal | |
| 117X | May 28, 1796 | O. Evans | Improvment in Burr Mill Stones | ||
| 267X | Jan. 16, 1800 | O. Evans | Improvement on stoves and grates | ||
| 518X | Feb. 14, 1804 | O. Evans | Grinding Mill | ||
| 519X | Feb. 14, 1804 | O. Evans | Steam Engine | ||
| 817X | Jan. 22, 1808 | O. Evans | Mode of manufacturing flour and meal | ||
| 1,490X | Apr. 15, 1811 | O. Evans | Saw mills | ||
| 4,087X | Apr. 14, 1825 | O. Evans, C. Evans | Self-sharpening plough | ||