Airtight helmet
United States Patent 2935985
US Patent References:
Helmet
- - 1606531

Partitioned inflatable suit
- - 2404567

Gas mask
- - 2437755

High elevation mask
- - 2465973

Goggles
- - 2648843


Inventors:
Andrews, Frederick W.
Miller, Wilbur A.
Ludwig, Walter L.
Publication Date:
05/10/1960
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Assignee:
INT LATEX CORP
Primary Class:
128/201.230
Other Classes:
367/132, D29/107, 2/424
International Classes:
A62B18/04; B64D10/00; A62B18/00
Foreign References:
DE51303C
FR331856A
FR801610A
FR889783A