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| All Patents in class 417/43 | |||||
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| Number | Date | Patentee | Title | Type | |
| 11,629 | Aug. 29, 1854 | D. Halladay | Wind Wheel | wind power apparatus | |
| RE4,064 | Jul. 05, 1870 | D. Halladay | Wind Wheel | wind power apparatus | |
| 2,452,704 | Nov. 02, 1948 | G.A. Wahlmark | Hydraulic transmission and control | ||