Patents by Inventor William C. Lyford

William C. Lyford 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).

  • Firmware download scheme for high-availability systems
    Patent number: 6584559
    Abstract: The system architecture of the present invention programs a permanent version of firmware in ROM and employs a validation scheme for downloaded firmware. The downloaded firmware is executed when the validation scheme successfully validates the firmware. In the event that the downloaded firmware fails to download successfully or bring up the system, the processor is able to complete the booting process using the permanent or most recently validated version of firmware.
    Type: Grant
    Filed: January 28, 2000
    Date of Patent: June 24, 2003
    Assignee: Avaya Technology Corp.
    Inventors: Won Uk Huh, William C. Lyford, Kevin L. Stiles