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| Patents for Charles S. Martin | |||||
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| Number | Date | Patentee | Title | Type | |
| 242,993 | Jun. 14, 1881 | J.B. Sherman, L.D. Phelps | Lathe | wood lathes | |
| 347,908 | Aug. 24, 1886 | H.M. Wilcox | Set-works for saw-mills | sawmill set works | |