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| Patents for Mary L. Murray | |||||
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| Number | Date | Patentee | Title | Type | |
| 378,803 | Feb. 28, 1888 | W. Oesterlein | Friction-clutch | industrial machine clutches | |
| 379,773 | Mar. 20, 1888 | F.W. Ehlmann | Combination-Tool | combination tools | |