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| All Patents in class 417/391 | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 415,055 | Nov. 12, 1889 | F.C. Olin | Steam Pump | |
 | 426,511 | Apr. 29, 1890 | F.C. Olin | Steam Pump and Motor | |
 | 492,870 | Mar. 07, 1893 | A.B. Landis | Pumping-engine | |