Title:
Arrangement in receivers for placing in the auditory canal
United States Patent 3366197
Inventors:
Gerd, Rosenstand
Publication Date:
01/30/1968
Export Citation:
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Assignee:
Danavox, Internat A. S.
Primary Class:
181/130
Other Classes:
181/132, 381/328
International Classes:
H04R25/02; H04R25/02
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US Patent References:
3197576In-the-ear hearing aid
3130810N/A
3061689Hearing aid
2959645Hearing aid
2876767Ear plug
2641328Mechanical hearing aid