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| All Patents in class 415/161 | |||||
| Number | Date | Patentee | Title | Type | |
| 86,085 | Jan. 19, 1869 | T. Leffel | Water Wheel | water wheels | |
| 307,881 | Nov. 11, 1884 | L.B. Swartwout | Turbine wheel | turbine water wheels | |