Title:
Breathing apparatus
United States Patent 2406888

Inventors:
Meidenbauer Jr., Phillip E.
Publication Date:
09/03/1946
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Assignee:
SCOTT AVIAT CORP
Primary Class:
128/205.240
Other Classes:
137/506, 128/205.220, 128/204.260, 137/102, 128/202.270, 128/205.250
International Classes:
A62B7/02; A62B7/00