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| All Patents in class 417/434 | |||||
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| Number | Date | Patentee | Title | Type | |
| 306,679 | Oct. 14, 1884 | J.W. Douglas | Pump | household hand pumps | |
| 1,078,320 | Nov. 11, 1913 | J.M. Stratton | Pump | ||
| 1,109,775 | Sep. 08, 1914 | E. McCoy | Lubricator | steam engine lubricators | |