Cyclist's ventilated helmet

Details Cyclist's ventilated helmet Cyclist's ventilated helmet

1987-10-16

1990-09-25

Word, A. Hugo

Equipment for safety, protection, and rescue

Fire extinguisher or casing therefor

Portable or hand held

Patent

active

D03108937

REFERENCES:
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patent: D272769 (1984-02-01), Sundahl et al.
patent: D272770 (1984-02-01), Sundahl et al.
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patent: 4555816 (1985-12-01), Broersma
patent: 4612675 (1986-09-01), Broersma
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patent: 4627115 (1986-12-01), Broersma
patent: 4653123 (1987-03-01), Broersma

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