Title:
Protective headgear
United States Patent 3083371
US Patent References:
/1294863.html
- - 1294863

Protective headgear
- - 2123275

Protective hat
- - 2312227

Molded article
- - 2532442

Safety headgear suspension
- - 2536467


Inventors:
Austin, Harry W.
Publication Date:
04/02/1963
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Assignee:
MINE SAFETY APPLIANCES CO
Primary Class:
2/419
International Classes:
A42B3/14; A42B3/04
US Patent References:
2585937Safety hat
2735099
2758305Safety helmet
2781517Molded protective hat
Foreign References:
FR918227A