Safety device for skin divers
United States Patent 2936755
US Patent References:
Flexible inflated device
- - 2046335

Buoyant receptacle for a diving device
- - 2864101


Inventors:
Gasser, Charles M.
Publication Date:
05/17/1960
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Assignee:
KNAPP MONARCH CO
Primary Class:
441/94
Other Classes:
441/114
International Classes:
B63C9/125; B63C9/00