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| All Patents in class 416/218 | |||||
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| Number | Date | Patentee | Title | Type | |
| 797,460 | Aug. 15, 1905 | M.H. Sankey | Turbine | rotary steam engines | |
| 834,788 | Oct. 30, 1906 | J. Wilson | Steam-turbine | rotary steam engines | |