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| All Patents in class 415/158 | |||||
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| Number | Date | Patentee | Title | Type | |
| 560,301 | May 19, 1896 | J.B. McCormick | Water Wheel | turbine water wheels | |
| 1,977,036 | Oct. 16, 1934 | G.A. Biggs | Hydraulic Turbine | turbine water wheels | |