Title:
Face mask
United States Patent 3220409
US Patent References:
Fabric for masks and protective clothing
- - 2173781

Respirator mask
- - 2376871

Fibrous unit
- - 2521984

Air filter
- - 2548942

Respirator
- - 2578007


Inventors:
Liloia, Gerald J.
Bird, William H.
Publication Date:
11/30/1965
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Assignee:
JOHNSON & JOHNSON
Primary Class:
128/206.190
Other Classes:
128/205.290, 55/514, D28/99, 55/527, 2/9
International Classes:
A41D13/11; A41D13/05
US Patent References:
2720477Plastic bandage or adhesive tape and process of manufacture
2752916Accordion-folded face mask
Foreign References:
GB780709A
GB780710A