• Floats projecting from the boat apparently weren't a desirable solution for F. W. Zeidler and C. Halpern, who in 1921 came up with a system to rotate the canoeist, rather than add to the exterior of the boat. In terms of catching on, this patent did not.

F. W. Zeidler & C. Halpern

From Canoes: A Natural History in North America by Mark Neuzil and Norman Sims


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Subjects
  • History
  • Cultural Studies
  • Regional Studies
  • Literature
  • Native American Studies
Date
  • 1921
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  • Courtesy of the U.S. Patent and Trademark Office.
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  • U.S. Patent and Trademark Office
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  • 1878
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  • 2016-10-27T14:25:48Z
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