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All Patents in class 416/112
Patents 1 - 3 of 3
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PictureNumberDatePatenteeTitle
  7,041XMay 04, 1832J.L. ColmanSelf-regulating horizontal wind mill
  7,066XMay 17, 1832J. Sheffield, J. IngrahamPropelling steamboats and other vessels
21,826Oct. 19, 1858H. EhrhartImproved Paddle Wheel
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