Cycling helmet having air filtering and breathing means

Details Cycling helmet having air filtering and breathing means Cycling helmet having air filtering and breathing means

1991-04-08

1993-10-12

McInroy, Ruth

Equipment for safety, protection, and rescue

Fire extinguisher or casing therefor

Portable or hand held

Patent

active

D03403181

REFERENCES:
patent: D303851 (1989-10-01), Gentes
patent: D309961 (1990-08-01), Bobrick
patent: 4903348 (1990-02-01), Broersma
patent: 5023958 (1991-06-01), Rotzin
patent: 5119516 (1992-06-01), Broersma

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