Ear muff attachment for a safety helmet

Details Ear muff attachment for a safety helmet Ear muff attachment for a safety helmet

1980-11-13

1983-01-04

Stearman, Joel

Apparel and haberdashery

Footwear

Athletic-type

D 2259, D0203

Patent

active

D02674408

REFERENCES:
patent: D248191 (1978-06-01), Csiki et al.
patent: D255058 (1980-05-01), Lonnstedt
patent: 3461463 (1969-08-01), Beguin

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