Title:
Ear plugs
United States Patent 2804072
US Patent References:
Device to be worn in the ear for eliminating or damping noise reaching the ear of the wearer
- - 2094534
Earplug
- - 2538339
Ear protector
- - 2573923
Device to be worn in the ear for eliminating or damping noise reaching the ear of the wearer
- - 2094534
Earplug
- - 2538339
Ear protector
- - 2573923
Inventors:
Rose, Genzer
Publication Date:
08/27/1957
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Export Citation:
Assignee:
Rose, Genzer
Primary Class:
Other Classes:
27/21.100
International Classes:
A61F11/08; A61F11/00