Patents by Inventor Jeffrey Kenneth Kravitz

Jeffrey Kenneth Kravitz 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).

  • Hardware access control locking
    Patent number: 6304970
    Abstract: An apparatus for permitting access to protected code, protected data or protected devices only when a computer system is in a trusted state, where said trusted state occurs only when said system is executing trusted code under a set of preselected conditions. This apparatus also has a device for exiting the trusted state and for preventing access to protected code, data and devices when the trusted state is exited. The computer system is also programmed to automatically generate a disabling signal upon the completion of execution of trusted code, and this disabling signal will result in the prevention of access to protected devices or code.
    Type: Grant
    Filed: September 2, 1997
    Date of Patent: October 16, 2001
    Assignee: International Business Mcahines Corporation
    Inventors: Mario Bizzaro, Vincenzo Condorelli, Michel Henri Theodore Hack, Jeffrey Kenneth Kravitz, Mark John Lindemann, Elaine Rivette Palmer, Gianluca Pedrina, Sean William Smith, Steve Harris Weingart