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| All Patents in class 417/16 | |||||
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| Number | Date | Patentee | Title | Type | |
| 917,070 | Apr. 06, 1909 | E.P. Holly | Impelling Device | ||
| 1,153,114 | Sep. 07, 1915 | H.L. Leverett, L. Kassander | Injector | water injectors | |