Title:
Ear protector
United States Patent 2670737
Inventors:
Cantor, Jacob J.
Publication Date:
03/02/1954
Export Citation:
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Assignee:
Cantor, Jacob J.
Primary Class:
128/864
Other Classes:
128/866
International Classes:
A61F11/08; A61F11/12; A61F11/00
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US Patent References:
2446707Ear plug
2441866Device for protecting the ear drum
2193401Sound deadening composition
2159487Vibration-damping material
2039008Method of making a material for absorbing sound
1622469Sound deadener
1167368N/A
0997673N/A
Foreign References:
DE456207C