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| Patents for William S. Lynn | |||||
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| Number | Date | Patentee | Title | Type | |
| 136,101 | Feb. 18, 1873 | W. Sellers | Improvement in machines for forming cutters for cutting the teeth of wheels | gear cutting tools | |
| 139,482 | Jun. 03, 1873 | W. Sellers | Improvement in wheel-quartering machines | horizontal boring mills | |