Title:
DISPOSABLE COOLED OXYGEN MASK
United States Patent 3545437


Inventors:
Quackenbush, John J.
Application Number:
US3545437DA
Publication Date:
12/08/1970
Filing Date:
12/28/1967
Assignee:
NAT DISTILLERS CHEM CORP
Primary Class:
International Classes:
A62B18/02; (IPC1-7): A62B7/00
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