Title:
Support structure for inflated tubes in collapsible boats
United States Patent 3049731
US Patent References:
Collapsible boat
- - 1333109

Boat
- - 2154040

Pneumatic boat
- - 2156175

Collapsible boat
- - 2338976

Pneumatic collapsible boat
- - 2396212


Inventors:
Alfred, Ertl
Franz, Hermann
Publication Date:
08/21/1962
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Assignee:
Klepper, Werke FA.
Primary Class:
114/354
Other Classes:
114/345
International Classes:
B63B7/06; B63B7/00
US Patent References:
2642590Boat
2739321Folding boat
Foreign References:
GB568444A
FR991326A
DE969796C