Title:
Earpiece
United States Patent 2593892
Inventors:
Kindel, Elmore A.
Publication Date:
04/22/1952
Export Citation:
Assignee:
Kindel, Elmore A.
Primary Class:
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
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