Particulate face mask and neck shield

Equipment for safety – protection – and rescue – Fire extinguisher or casing therefor – Portable or hand held

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D29 7

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D03470903

REFERENCES:
patent: D287649 (1987-01-01), Zdrok et al.
patent: D327141 (1992-06-01), Hubbard et al.
patent: 4419993 (1983-12-01), Petersen
patent: 4606341 (1986-08-01), Hubbard et al.
patent: 4802473 (1989-02-01), Hubbard et al.
patent: 5020533 (1991-06-01), Hubbard et al.
patent: 5150703 (1992-09-01), Hubbard et al.
Tecnol Fluidshield Surgical Masks Featuring SplashGuard Visors brochure, Tecnol, Inc. Nov. 1992.
The Mask Collection Tecnol brochure, Aorn Journal, 1987.

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