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| All Patents in class 416/215 | |||||
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| Number | Date | Patentee | Title | Type | |
| 992,434 | May 16, 1911 | W.J. London | Fluid Actuated Turbine | steam turbines | |
| 1,036,866 | Aug. 27, 1912 | W.J. London | Turbine | steam turbines | |