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| Patents for Leroy J. Emery | |||||
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| Number | Date | Patentee | Title | Type | |
| 276,060 | Apr. 17, 1883 | E. Medden | Packing for journals | pump bearings | |
| 376,330 | Jan. 10, 1888 | E. Medden | Heater for steam fire-engines | steam fire engines | |