Title:
Self-contained emergency oxygen breather
United States Patent 2428425
US Patent References:
Gas filter
- - 2385938

Breathing apparatus
- - 1814506

Submarine lifesaving outfit
- - 2001673


Inventors:
Levitt, Israel M.
Publication Date:
10/07/1947
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Assignee:
Levitt, Israel M.
Primary Class:
128/201.180
Other Classes:
128/207.140, 222/5, 128/205.210
International Classes:
A62B7/02; A62B7/00
Foreign References:
GB366626A