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| All Patents in class 416/204R | |||||
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| Number | Date | Patentee | Title | Type | |
| 499,269 | Jun. 13, 1893 | W.R. White | Water Motor | hydraulic motors | |
| 1,579,323 | Apr. 06, 1926 | H.L. Johnston | Stirrer | ||
| 1,829,062 | Oct. 27, 1931 | H.C. Schneider | Wind Wheel Vane | wind power apparatus | |
| 3,402,879 | Sep. 24, 1968 | J.W. Schroeter | Fan construction | ||
| 3,459,366 | Aug. 05, 1969 | J.W. Schroeter | Fan construction | ||