Speaker system
United States Patent 3326321
US Patent References:
Sound diffusing apparatus
- - 2065367

Acoustic system for loud-speakers
- - 2694462

Loudspeaker system
- - 2900040


Inventors:
Valuch, John T.
Publication Date:
06/20/1967
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Assignee:
Valuch, John T.
Primary Class:
181/144
Other Classes:
181/156
International Classes:
H04R1/34; H04R1/32
Foreign References:
DE1075666B
GB653263A