Patents by Inventor Randy B. Meade

Randy B. Meade has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Methods for marking digital compact discs as a means to determine its authenticity
    Patent number: 6099930
    Abstract: A digital recording medium, such as a compact disc, having a substrate, a reflective layer and a protective layer includes a near infrared fluorophore in one of the layers. The near infrared fluorophore can be incorporated into the CD by coating, admixing, blending or copolymerization and in an amount to impart a detectable fluorescence from the fluorophore when exposed to electromagnetic radiation having a wavelength ranging from about 670 nanometers (nm) to about 1100 nm. A method of marking a CD with an invisible marking and an apparatus for detecting the fluorophore is further provided.
    Type: Grant
    Filed: July 20, 1998
    Date of Patent: August 8, 2000
    Assignee: Isotag Technology, Inc.
    Inventors: Michael John Cyr, Horst Clauberg, Tony Wayne Helton, Gregory W. Nelson, Randy B. Meade, James E. Moore, G. Russell Owens, Barbara C. Jackson, James John Krutak, Sr.