Patents by Inventor Allan J. Stephens

Allan J. Stephens 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).

  • Apparatus and methods for path identification in a communication network
    Patent number: 6347079
    Abstract: An apparatus and methods for path identification in a communication network, including a plurality of network elements, the plurality of network elements further including a first network element, for issuing a first signal requesting a path identification operation, and at least one second network element, for receiving the first signal and for issuing a second signal. The second signal contains information of one of network configuration, network topology and distance between the first network element and the at least one second network element.
    Type: Grant
    Filed: May 8, 1998
    Date of Patent: February 12, 2002
    Assignee: Nortel Networks Limited
    Inventors: Allan J. Stephens, Raymond Chi-Sing Ma