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| Patents for Thomas Lewis | |||||
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| Number | Date | Patentee | Title | Type | |
| 5,561 | May 09, 1848 | T. Lewis, W.H. Johnson | Churn | churns | |
| 31,575 | Feb. 26, 1861 | A.H. Knapp | Coal Sifter and Shovel | coal lifters | |