Nasal pocket mask

Details Nasal pocket mask Nasal pocket mask

1992-02-03

1994-05-31

Chin, Kay H.

Equipment for safety, protection, and rescue

Fire extinguisher or casing therefor

Portable or hand held

D29 7

Patent

active

D03474950

REFERENCES:
patent: D258994 (1981-04-01), Grane
patent: D293613 (1988-01-01), Wingler
patent: D305166 (1989-12-01), Quinn et al.
patent: D321419 (1991-11-01), Wallace
patent: D323908 (1992-02-01), Hollister et al.
patent: 4873972 (1989-10-01), Magidson et al.
patent: 5121745 (1992-06-01), Israel

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