Sport safety helmet

Details Sport safety helmet Sport safety helmet

1996-06-03

1998-01-27

McInroy, Ruth

Equipment for safety, protection, and rescue

Body restraint or protective covering

Cranial

0903

Patent

active

D03899586

REFERENCES:
patent: D188368 (1960-07-01), Hale
patent: D230103 (1974-01-01), Hyatt, Jr.
patent: D309512 (1990-07-01), Crow
patent: D343258 (1994-01-01), Greer
patent: 3290693 (1966-12-01), Wolfe
patent: 4998544 (1991-03-01), Obergfell
patent: 4999852 (1991-03-01), Murray
patent: 5170509 (1992-12-01), Leopold
patent: 5321854 (1994-06-01), Kronenberger
patent: 5325540 (1994-07-01), Kronenberger
patent: 5575017 (1996-11-01), Hefling et al.

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