Title:
Audiphone unit
United States Patent 1826797
Inventors:
Leach, Henry G.
Stolz, Ernest H.
Publication Date:
10/13/1931
Export Citation:
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Assignee:
Leach, Henry G.
Stolz, Ernest H.
Primary Class:
381/323
Other Classes:
381/104, 429/98
International Classes:
H04R25/04; H04R25/04
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