Aural protective device
United States Patent 2619960
US Patent References:
Earplug
- - 2465606

Ear insert for earphones
- - 2487038


Inventors:
Reynolds, Lee T.
Publication Date:
12/02/1952
View Patent Images:
Download PDF 2619960 pdf       PDF help
Export Citation:
Click for automatic bibliography generation
Assignee:
Reynolds, Lee T.
Primary Class:
128/868
International Classes:
A61F11/08; A61F11/00