Title:
Method of and means for loudspeaker sound wave distribution
United States Patent 3400217

Inventors:
Kraut, Oscar E.
Publication Date:
09/03/1968
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Primary Class:
381/335
Other Classes:
381/99, 181/144, 381/160
International Classes:
H04R1/26; H04R1/34; H04R3/14; H04R1/22; H04R1/32; H04R3/12
US Patent References:
2124597Acoustic device
Foreign References:
GB659818A




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