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| All Patents in class 417/166 | |||||
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| Number | Date | Patentee | Title | Type | |
| 440,624 | Nov. 18, 1890 | A.S. Eberman | Injector | water injectors | |
| 445,642 | Feb. 03, 1891 | R. Ruddy, L. Kaczander | Injector | water injectors | |