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| Patents for Levi Whitman | |||||
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| Number | Date | Patentee | Title | Type | |
| 34,248 | Jan. 28, 1862 | G.F. Evans | Improvement in Plane-Stocks | circular planes | |
| 39,669 | Aug. 25, 1863 | S.C. Norcross | Improved Auger-Stock | auger handles | |