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All Patents in class 416/112 | |||||
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Number | Date | Patentee | Title | Type | |
7,041X | May 04, 1832 | J.L. Colman | Self-regulating horizontal wind mill | wind power apparatus | |
7,066X | May 17, 1832 | J. Sheffield, J. Ingraham | Propelling steamboats and other vessels | nautical propulsion apparatus | |
21,826 | Oct. 19, 1858 | H. Ehrhart | Improved Paddle Wheel |