Face and ear protector

Details Face and ear protector Face and ear protector

1989-07-31

1992-06-23

Word, A. Hugo

Equipment for safety, protection, and rescue

Fire extinguisher or casing therefor

Portable or hand held

Patent

active

D03273393

REFERENCES:
patent: D239218 (1976-03-01), Fortson
patent: 3105970 (1963-10-01), Herzberg
patent: 4394782 (1983-07-01), Wasson
patent: 4468818 (1984-09-01), Flannery
patent: 4520510 (1985-06-01), Daigle
patent: 5035006 (1991-07-01), Hetz et al.

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