US PATENT SUBCLASS 181 / 191
.~.~ With external sound deflector

Current as of: June, 1999
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181 /   HD   ACOUSTICS

175  DF  SOUND-MODIFYING MEANS {12}
177  DF  .~ Intensifying horn {11}
191.~.~ With external sound deflector

DEFINITION

Classification: 181/191

(under subclass 177) Subject matter including means for changing the direction of the sound after it has left the horn.