Face mask

Details Face mask Face mask

1989-11-09

1991-11-05

Chin, Kay H.

Equipment for safety, protection, and rescue

Fire extinguisher or casing therefor

Portable or hand held

D29 7

Patent

active

D03214192

REFERENCES:
patent: D189009 (1960-10-01), Muller
patent: D293613 (1988-01-01), Wingler
patent: D305166 (1989-12-01), Quinn et al.
patent: 3315674 (1967-04-01), Bloom et al.
patent: 3982532 (1976-09-01), Halltin et al.
patent: 4062357 (1977-12-01), Laerdal
patent: 4337767 (1982-07-01), Yahata
patent: 4799477 (1989-01-01), Lewis

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