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