Boats comprising means for introducing air to submerged portions of the boat bottom
United States Patent 3331347
US Patent References:
/1121006.html
- - 1121006

Concave hydroplane hull
- - 2450665

Fishtailed hull
- - 2555307


Inventors:
Von, Heidenstam Erik Johan
Publication Date:
07/18/1967
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Assignee:
Von, Heidenstam Erik Johan
Primary Class:
114/67A
International Classes:
B60V1/00; B63B1/38; B63B1/00
Foreign References:
GB187700418A
FR1243460A