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| Patents for Marvin T. Henson | |||||
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| Number | Date | Patentee | Title | Type | |
| 196,578 | Oct. 30, 1877 | M. Osborn, M.T. Henson | Woodworker's Leg Vise | leg vises | |
| 266,474 | Oct. 24, 1882 | M.T. Henson | Woodworker's Leg Vise | leg vises | |