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| Patents for William S. Lewis | |||||
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| Number | Date | Patentee | Title | Type | |
| 3,770X | Oct. 20, 1823 | W.S. Lewis | Thrashing and grinding machine | miller | |
| 444,956 | Jan. 20, 1891 | M.H. Jones | Auger Bit with Detachable Tip | auger bits | |