US PATENT SUBCLASS 181 / 145
.~ Plural chambers

Current as of: June, 1999
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181 /   HD   ACOUSTICS

144  DF  PLURAL DIAPHRAGM SOUND SOURCES {3}
145.~ Plural chambers

DEFINITION

Classification: 181/145

(under subclass 144) Subject matter wherein the vibrated means are mounted in more than one enclosure or compartment.

(1) Note. Each enclosure or compartment may contain plural speakers.