Protective helmet

Details Protective helmet Protective helmet

1976-11-17

1979-02-27

Feifer, Melvin B.

Apparel and haberdashery

Footwear

Athletic-type

D0203

Patent

active

D02511568

REFERENCES:
patent: 3505677 (1970-04-01), Le Masson et al.
Bell Helmets, brochure, 1971, p. 1, Bell Star Helmet.

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