Ear muff

Details Ear muff Ear muff

1988-07-13

1990-12-18

Word, A. Hugo

Equipment for safety, protection, and rescue

Fire extinguisher or casing therefor

Portable or hand held

Patent

active

D03130924

REFERENCES:
patent: D235210 (1975-05-01), Hill
patent: D244300 (1977-05-01), Besasie
patent: D254616 (1980-04-01), Tabata
patent: D301145 (1989-05-01), Besasie et al.

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