Title:
Method for making an improved ear plug
United States Patent 3131241
Inventors:
Mendelson, Emanuel S.
Publication Date:
04/28/1964
Export Citation:
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Assignee:
Mendelson, Emanuel S.
Primary Class:
264/257
Other Classes:
128/865, 181/135, 264/302, 264/305
International Classes:
A61F11/08; A61F11/00
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US Patent References:
3050066Retention catheters
2914181Plastic tube connections
2888921Ear inserts
2291786Method of making rubber articles
2206438Inflatable toric article and method of making the same