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United States Patent 3508511
US Patent References:
/1188269.html
- - 1188269

Rudder and drop-keel construction
- - 3021810


Inventors:
Bosnich, Angelo John
Publication Date:
04/28/1970
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Assignee:
Angelo, John Bosnich
Primary Class:
114/126
International Classes:
B63B39/06; B63B39/00; B63B39/06




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