Safety helmet

Details Safety helmet Safety helmet

1992-06-25

1995-05-30

McInroy, Ruth

Equipment for safety, protection, and rescue

Body restraint or protective covering

Cranial

Patent

active

D03589056

REFERENCES:
patent: D206648 (1967-01-01), Webb
patent: D216765 (1970-03-01), DalPiaz
patent: D218385 (1970-08-01), Bohner et al.
patent: D240310 (1976-06-01), Sinclair et al.
patent: D254100 (1980-02-01), Biger
patent: D256851 (1980-09-01), Knadle et al.
patent: D266711 (1982-11-01), Gooding
patent: D277425 (1985-02-01), Higginson
patent: D300275 (1989-03-01), Sjongren et al.

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