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| All Patents in class 415/173.6 | |||||
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| Number | Date | Patentee | Title | Type | |
| 158,997 | Jan. 19, 1875 | E.R. Stilwell | Cases for Turbine Water-Wheels | turbine water wheels | |
| 501,598 | Jul. 18, 1893 | W.M. Byrd | Rotary Steam Engine | rotary steam engines | |
| 516,729 | Mar. 20, 1894 | W.M. Byrd | Rotary Steam Engine | rotary engines | |