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| Patents for William S. Winsor | |||||
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| Number | Date | Patentee | Title | Type | |
| 33,673 | Nov. 05, 1861 | W.S. Winsor | Planing-saw | sawblades | |
| 74,522 | Feb. 18, 1868 | W.S. Winsor, J.E. Emerson | Improvement in saws | saw teeth | |
| 74,523 | Feb. 18, 1868 | W.S. Winsor, J.E. Emerson | Improvement in saws | saw teeth | |