Title:
SAILBOAT
United States Patent 3473502
US Patent References:
Windsurfer
- - 3273528


Inventors:
Wittkamp, Joel M.
Publication Date:
10/21/1969
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Assignee:
Joel, Wittkamp M.
Primary Class:
114/61.230
Other Classes:
114/61.250, 441/45, 441/40, 114/345
International Classes:
B63B1/12; B63B7/08; B63B1/00; B63B7/00; B63B1/12; B63H9/04




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