Title:
Mask for applying gases
United States Patent 2764152
Inventors:
Osterberg, Samuel O.
Mcgovern, Charles J.
Publication Date:
09/25/1956
Export Citation:
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Assignee:
Joel, Clark
Myer, Saklad
Primary Class:
128/201.23
Other Classes:
128/205.25, 128/206.21
International Classes:
A61M16/06; A61M16/06
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US Patent References:
2617415Face mask
2366904Oxygen tent
2296338Safety helmet
2012505Mask