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| All Patents in class 415/188 | |||||
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| Number | Date | Patentee | Title | Type | |
| 10,080 | Oct. 04, 1853 | H. Van DeWater | Improved turbine water-wheel | turbine water wheels | |
| 305,575 | Sep. 23, 1884 | J.H. Culver | Water Motor | hydraulic motors | |
| 392,017 | Oct. 30, 1888 | R. Emerson | Water Motor | hydraulic motors | |