US PATENT SUBCLASS 381 / FOR 134
.~ Hook over ear (381/68.7)

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381 /   HD   ELECTRICAL AUDIO SIGNAL PROCESSING SYSTEMS AND DEVICES

FOR 127  DF  HEARING AIDS, ELECTRICAL (381/68) {15}
FOR 134.~ Hook over ear (381/68.7)

DEFINITION

Classification: 381/FOR.134

Hook over ear:

Subject matter including support structure which engages the exterior of the user's ear.