Title:
Modulator-demodulator audio amplifier
United States Patent 3316496


Inventors:
Brombaugh, John B.
Application Number:
US18880362A
Publication Date:
04/25/1967
Filing Date:
04/19/1962
Assignee:
BALDWIN CO D H
Primary Class:
Other Classes:
330/10
International Classes:
G10K15/10
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