Patents by Inventor Gary Robert Kirkpatrick

Gary Robert Kirkpatrick 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).

  • Voice over internet protocol network architecture
    Patent number: 6507577
    Abstract: Voice and media services are provided over an IP network incorporating a plurality of nodes and in which connection oriented traffic is transported in tunnels via said nodes. SS7 signalling is provided between nodes. The voice and media components are multiplexed to form a point to point protocol (PPP) session which is switched end to end across the network under the control of the signalling.
    Type: Grant
    Filed: November 12, 1998
    Date of Patent: January 14, 2003
    Assignee: Nortel Networks Limited
    Inventors: Roy Harold Mauger, Gary Robert Kirkpatrick, Mark Robert Gibson