Mark Identification

AUDIOLOK

Serial Number

75778551

Filing Date

Aug 18, 1999

Trademark by

MACROVISION CORPORATION

Classification Information

APPARATUS FOR APPLYING COPY PROTECTION SECURITY MODIFICATIONS TO DIGITAL AUDIO DEVICES

Electrical and Scientific Apparatus

PROVIDING A COPY PROTECTION PROCESS TO DIGITAL AUDIO DEVICES AND TO THOSE WHO CONTROL THE USE OF AUDIO SIGNALS

Treatment of Materials