Title:
Ear protector
United States Patent 2670737
US Patent References:
/0997673.html
- - 0997673

/1167368.html
- - 1167368

Sound deadener
- - 1622469

Method of making a material for absorbing sound
- - 2039008

Vibration-damping material
- - 2159487


Inventors:
Cantor, Jacob J.
Publication Date:
03/02/1954
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Assignee:
Cantor, Jacob J.
Primary Class:
128/864
Other Classes:
128/866
International Classes:
A61F11/08; A61F11/12; A61F11/00
US Patent References:
2193401Sound deadening composition
2441866Device for protecting the ear drum
2446707Ear plug
Foreign References:
DE456207C