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| All Patents in class 415/101 | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 114,571 | May 09, 1871 | T. Leffel | Improvement in water-wheels | |
| 509,863 | Dec. 05, 1893 | F.M. Bookwalter | Water Wheel | ||
| 783,761 | Feb. 28, 1905 | A.F. Sparks | Water Wheel | ||
 | 867,407 | Oct. 01, 1907 | J.F. Patitz | Turbine-wheel | |