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| Patents for Charles Gilbert | |||||
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| Number | Date | Patentee | Title | Type | |
| 7,755 | Nov. 05, 1850 | J. Judson, A. Judson | Valve for Governors | steam engine governors | |
| 23,928 | May 10, 1859 | W.S. Loughborough | Improved Bench-Plane | plane cutter adjustments | |
| 409,989 | Aug. 27, 1889 | N. Linsley, estate of (deceased) | Tool Handle | tool handles | |