Patents by Inventor I. Michael C. Shand

I. Michael C. Shand 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).

  • Network transit prevention
    Patent number: 5134610
    Abstract: In a digital communications network, data packets are prevented from making a transit through a domain if such data packets neither originate within nor are addressed to a node within that domain. Only data packets flagged as originating within the domain are allowed to be forwarded out of the domain.
    Type: Grant
    Filed: March 6, 1989
    Date of Patent: July 28, 1992
    Assignees: Digital Equipment Corporation, Board of Regents of the Unversity
    Inventors: I. Michael C. Shand, John A. Harper, Kevin Miles