Patents by Inventor Richard T. Mangold

Richard T. Mangold 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).

  • Tamper resistant methods and apparatus
    Patent number: 6178509
    Abstract: In one apparatus, a number of obfuscated programming instructions is provided to perform integrity verification on a number of other plain text programming instructions. In another apparatus, a number of obfuscated programming instructions is provided to self-verify an invocation of the obfuscated programming instructions is not originated from an intruder.
    Type: Grant
    Filed: September 5, 1997
    Date of Patent: January 23, 2001
    Assignee: Intel Corporation
    Inventors: Joseph M. Nardone, Richard T. Mangold, Jody L. Pfotenhauer, Keith L. Shippy, David W. Aucsmith, Richard L. Maliszewski, Gary L. Graunke