Title:
Surgical mask
United States Patent 3058463
US Patent References:
/1113062.html
- - 1113062

Air supplied hood structure
- - 2896617


Inventors:
Goodrich Jr., Edward O.
Publication Date:
10/16/1962
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Assignee:
Goodrich Jr., Edward O.
Primary Class:
128/863
Other Classes:
128/205.260, D24/110.200, 128/910, 128/201.230
International Classes:
A41D13/11; A41D13/05
Foreign References:
DE393650C