Patents by Inventor Marshall R. Dew

Marshall R. Dew 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: 7356652
    Abstract: A manner for judiciously snooping or otherwise monitoring bus operations associated with maintaining cache or other memory coherency in a computing system. A bus snoop information storage mode is established that identifies information pertaining to the bus snoop operations used to maintain memory coherency. The bus snoop information storage mode is selectable, relative to possible other modes. When the bus snoop information storage mode is activated, the information pertaining to the bus snoop operations occurring in connection with bus snoop stall cycles is disregarded, while the current state of the information pertaining to the bus snoop operations upon completion of the bus snoop operations is stored.
    Type: Grant
    Filed: March 28, 2006
    Date of Patent: April 8, 2008
    Assignee: Unisys Corporation
    Inventors: Marshall R. Dew, Stephen Sutter, Howard Huy P. Tran, David P. Williams