US PATENT SUBCLASS 381 / FOR 132
.~ Spectacle (381/68.5)

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

FOR 127  DF  HEARING AIDS, ELECTRICAL (381/68) {15}
FOR 132.~ Spectacle (381/68.5)

DEFINITION

Classification: 381/FOR.132

Spectacle:

Subject matter in combination with an eyeglass frame.