Title:
Pneumatic boxing helmet
United States Patent 2664567
US Patent References:
Boxing mask
- - 1887636

Football helmet
- - 2194903

Boxer's helmet
- - 2364571

Protective face guard
- - 2525389


Inventors:
Nichols, John W.
Publication Date:
01/05/1954
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Assignee:
Nichols, John W.
Primary Class:
2/413
Other Classes:
177/DIG.007, D29/106, 2/9
International Classes:
A42B3/00; A63B71/10; A63B71/08
Foreign References:
GB142987A