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| Patents for Robert S. Stenton | |||||
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| Number | Date | Patentee | Title | Type | |
| 56,628 | Jul. 24, 1866 | R.S. Stenton | Improvement in Wrenches | nut wrenches | |
| 60,801 | Jan. 01, 1867 | R.S. Stenton | Improvement in Wrenches | nut wrenches | |