Patents by Inventor Mark D. Keisling

Mark D. Keisling 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: 5664105
    Abstract: A network analysis instrument employs a CPU, display and field programmable gate array circuitry to receive network data and detect various error conditions. Percent utilization is determined and information pertaining thereto is displayed to provide a user with information regarding network operating conditions. Ghosts are detected as well as collisions, jabber conditions and runt conditions.
    Type: Grant
    Filed: October 4, 1994
    Date of Patent: September 2, 1997
    Assignee: Fluke Corporation
    Inventors: Mark D. Keisling, William R. Marbaker, Christopher A. Clabaugh, Gordon A. Jensen