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| All Patents in class 417/530 | |||||
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| Picture | Number | Date | Patentee | Title | |
| 948,168 | Feb. 01, 1910 | J.B. Garber | Pump | ||
| 953,524 | Mar. 29, 1910 | J.B. Garber | Combined air and water pump | ||
| 1,719,693 | Jul. 02, 1929 | H. Ernst | Variable Displacement Pump | ||