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| Patents for William Lewis | |||||
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| Number | Date | Patentee | Title | Type | |
| 6,892X | Jan. 06, 1832 | W. Lewis | Tin bake oven | ||
| 6,819 | Oct. 23, 1849 | W. Lewis, W.H. Lewis | Apparatus for holding daguerrotype-plates | ||
| 16,737 | Mar. 03, 1857 | W. Lewis | Machine for Husking Corn | corn huskers | |
| 16,738 | Mar. 03, 1857 | W.H. Lewis, W. Lewis | Photographic-Plate Vise | ||