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| All Patents in class 417/82 | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,632,392 | Mar. 24, 1953 | W.H. Tinker | Pumping Apparatus | centrifugal pumps | |
| 2,632,393 | Mar. 24, 1953 | W.H. Tinker | Pumping Apparatus | rotary pumps | |
| 2,660,953 | Dec. 01, 1953 | H.C. Weber, W.H. Tinker | Fluid Pump Assembly | rotary pumps | |