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| All Patents in class 417/254 | |||||
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| Number | Date | Patentee | Title | Type | |
| 213,309 | Mar. 18, 1879 | W.C. Wilcox | Improvement in pumps | pumps | |
| 1,171,825 | Feb. 15, 1916 | R. Wood | Lubricator | steam engine lubricators | |