Title:
Earpiece
United States Patent 2593892
Inventors:
Kindel, Elmore A.
Publication Date:
04/22/1952
Export Citation:
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Assignee:
Kindel, Elmore A.
Primary Class:
181/129
Other Classes:
2/68, 2/174, 2/209, 2/428, 128/866, 381/189, 381/372, 381/376
International Classes:
A42B3/16; A42B3/30; A61F11/14
View Patent Images:
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US Patent References:
2488235Diving mask with pressure equalizing ear cups
2468721Earphone socket and noise shield
2447470Noise insulating ring for earphones
2407731Receiver ear piece
2345842Noise eliminator
1973330Ear screen or guard
1857974Ear protector
1621629Goggles
1599898Bathing cap
1584662Ear cushion
1223545N/A
0882700N/A
0387709N/A
0350393N/A