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| All Patents in class 416/201R | |||||
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| Number | Date | Patentee | Title | Type | |
| 924,841 | Jun. 15, 1909 | C.M. Schultz | Bucket Wheel | steam turbines | |
| 2,623,466 | Dec. 30, 1952 | W.H. Tinker | Dual Discharge Pump | rotary pumps | |