Title:
Protective headgear vizor mechanism
United States Patent 3162862
US Patent References:
Welder's eyeshield
- - 2588553

Headgear with retractable eye shield
- - 2860343

Face masks for airmen
- - 2918060


Inventors:
Miller, John C.
Publication Date:
12/29/1964
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Assignee:
MINE SAFETY APPLIANCES CO
Primary Class:
2/424
Other Classes:
2/16
International Classes:
A42B3/22; A42B3/18
Foreign References:
CH640428A
FR863213A
IT533291B