Patents by Inventor Christian Constantinof

Christian Constantinof 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).

  • Method and apparatus for implementing an extensible range of communications services in telephone networks
    Patent number: 7079640
    Abstract: Service features are enabled in a next generation telephone network using a content/service provision node and subscriber access control equipment enabled to deliver content and/or service feature messaging to associated subscriber lines.
    Type: Grant
    Filed: December 22, 2000
    Date of Patent: July 18, 2006
    Assignee: Nortel Networks Limited
    Inventors: Vladimir V. Mikhailov, Christian Constantinof