Title:
Protective helmet with shock absorbing suspension
United States Patent 2796609
US Patent References:
Safety hat
- - 2144870

Helmet
- - 2455797

Safety hat
- - 2585937

Headgear for skullguards
- - 2710965


Inventors:
Fisher, Joseph R.
WEST DONALD F
Publication Date:
06/25/1957
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Assignee:
MINE SAFETY APPLIANCES CO
Primary Class:
International Classes:
A42B3/14; A42B3/04