US PATENT SUBCLASS 381 / 391
.~.~ Grille

Current as of: June, 1999
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381 /   HD   ELECTRICAL AUDIO SIGNAL PROCESSING SYSTEMS AND DEVICES

150  DF  ELECTRO-ACOUSTIC AUDIO TRANSDUCER {18}
386  DF  .~ Mounting or support feature of housed loudspeaker {9}
391.~.~ Grille

DEFINITION

Classification: 381/391

Grille:

(under subclass 386) Subject matter including a mesh or grating covering the transducer or a sound path leading to the transducer.