Title:
WIND-PROPELLED APPARATUS
United States Patent 3487800
Inventors:
Schweitzer, Hoyle
Drake, James
Publication Date:
01/06/1970
Export Citation:
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Assignee:
Hoyle, Schweitzer
James, Drake
Primary Class:
114/39.15
Other Classes:
114/91
International Classes:
B63B35/79; B63B35/73; (IPC1-7): B63B15/02; B63H9/10
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US Patent References:
3141435Sailing catamaran
2353007Sailing vessel




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