Breathing attachment for swimmers
United States Patent 2945493
US Patent References:
Swimmer's mask
- - 2317237


Inventors:
Herman Jr., Harry H.
Publication Date:
07/19/1960
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Assignee:
Herman Jr., Harry H.
Primary Class:
128/201.180
International Classes:
A63B33/00
Foreign References:
DE509546C
IT439942B