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| All Patents in class 415/156 | |||||
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| Number | Date | Patentee | Title | Type | |
| 54,792 | May 15, 1866 | C.C. Stillman | Water-wheel | water wheels | |
| 79,585 | Jul. 07, 1868 | S.W. Marsh | Water Wheel | turbine water wheels | |