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| Patents for Edwin Medden | |||||
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| Number | Date | Patentee | Title | Type | |
| 237,764 | Feb. 15, 1881 | E. Medden | Rotary pump | rotary pumps | |
| 238,603 | Mar. 08, 1881 | E. Medden | Rotary engine | rotary steam engines | |
| 242,672 | Jun. 07, 1881 | E. Medden | Journal-box | pump bearings | |
| 243,938 | Jul. 05, 1881 | E. Medden | Hose-nozzle | fire hoses | |
| 276,060 | Apr. 17, 1883 | E. Medden | Packing for journals | pump bearings | |
| 365,618 | Jun. 28, 1887 | E. Medden | Heater | steam heating | |
| 376,330 | Jan. 10, 1888 | E. Medden | Heater for steam fire-engines | steam fire engines | |