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| Patents for Richard S. Sample | |||||
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| Number | Date | Patentee | Title | Type | |
| 583,217 | May 25, 1897 | R.S. Sample | Wrench | screw adjust wrenches | |
| CA-57,046 | Aug. 14, 1897 | R.S. Sample | Wrench | screw adjust wrenches | |