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| All Patents in class 415/60 | |||||
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| Picture | Number | Date | Patentee | Title | |
| 9,373X | Feb. 10, 1836 | W.L. Elgar | Water-wheels, twain | ||
 | 33,220 | Sep. 03, 1861 | H. Van DeWater | Improved water-wheel | |
| 909,684 | Jan. 12, 1909 | M.J. Scanlon | Impulse Turbine | ||
| 1,270,803 | Jul. 02, 1918 | W.F. Folmer | Wind Motor | ||