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| Patents for Charles Henry | |||||
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| Number | Date | Patentee | Title | Type | |
| 164,481 | Jun. 15, 1875 | V.J. Reece | Improvement in screw-cutting dies | taps and dies | |
| 166,444 | Aug. 03, 1875 | L.S. Woodbury | Improvement in planing-machines | wood planers | |