Ear muffs

Details Ear muffs Ear muffs

1984-02-09

1987-02-10

Vales, Carmen H.

Equipment for safety, protection, and rescue

Fire extinguisher or casing therefor

Portable or hand held

Patent

active

D02881411

REFERENCES:
patent: D166399 (1952-04-01), Lattuca
patent: D215138 (1969-09-01), Mackey
patent: D247433 (1978-03-01), Fixler
patent: D256068 (1980-07-01), Danat et al.
patent: 2314782 (1943-03-01), Goretsky
patent: 3085253 (1963-04-01), Ulrich et al.

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