Ribbed helmet

Details Ribbed helmet Ribbed helmet

1978-04-11

1980-06-17

Stearman, Joel

Apparel and haberdashery

Footwear

Athletic-type

D0203

Patent

active

D02553945

REFERENCES:
patent: D228211 (1973-08-01), O'Connor
Bullard Indus. Safety Equipment, Cat. No. 66A, Jan. 1966, p. 4, Item #6, "Estherene Hel/Cap Helmet".

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