Breathing apparatus for swimmers
United States Patent 3166083
US Patent References:
Lifesaving headgear
- - 2362775
Lifesaving device
- - 2408166
Orifice cleaning means
- - 2493297
Snorkel
- - 2742899
Breathing apparatus for swimmers
- - 2814292
Lifesaving headgear
- - 2362775
Lifesaving device
- - 2408166
Orifice cleaning means
- - 2493297
Snorkel
- - 2742899
Breathing apparatus for swimmers
- - 2814292
Inventors:
Girden, Barney B.
Publication Date:
01/19/1965
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Export Citation:
Assignee:
Girden, Barney B.
Primary Class:
Other Classes:
128/201.110, 137/400, 137/65
International Classes:
B63C11/16; B63C11/02
US Patent References:
| 2815751 | Breathing valve for a submarine mask |
Foreign References:
| FR905890A | ||||
| IT472977B |