Patents by Inventor Patrick John Shevlin

Patrick John Shevlin 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).

  • Patent number: 7239589
    Abstract: A method and apparatus renders an optical disk unplayable on a customer's optical disc playback machine. A portion of the information bearing surface of the optical disc or the light reflected therefrom, is altered for data destruction from a predetermined area, i.e., a “Table of Contents” (TOC), in order to make the disc unplayable on the playback machine of the customer.
    Type: Grant
    Filed: July 1, 2003
    Date of Patent: July 3, 2007
    Assignee: Thomson Licensing
    Inventors: Thomas John Feehan, Patrick John Shevlin, John Noel Hodnett
  • Publication number: 20040125722
    Abstract: A method and apparatus renders an optical disk unplayable on a customer's optical disc playback machine. A portion of the information bearing surface of the optical disc or the light reflected therefrom, is altered for data destruction from a predetermined area, i.e., a “Table of Contents” (TOC), in order to make the disc unplayable on the playback machine of the customer.
    Type: Application
    Filed: July 1, 2003
    Publication date: July 1, 2004
    Inventors: Thomas John Feehan, Patrick John Shevlin, John Noel Hodnett