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| Patents for Charles F. Thompson | |||||
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| Number | Date | Patentee | Title | Type | |
| 383,196 | May 22, 1888 | C.M. Stratton, E.A. Stratton | Spirit Level | levels | |
| 409,883 | Aug. 27, 1889 | C.F. Thompson | Power-feed mechanism for log-carriages of saw-mills | sawmill feed works | |