Patents by Inventor Carlos F. Carrion

Carlos F. Carrion 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 alerting users
    Patent number: 6658104
    Abstract: A system includes a plurality of communication devices and a telephony exchange system. The telephony exchange system is adapted to communicate with the plurality of communication devices. The telephony exchange system comprises receiving an alert signal, identifying a plurality of users of the private telephony exchange system, and alerting the identified plurality of users in response to receiving the alert signal.
    Type: Grant
    Filed: August 28, 2000
    Date of Patent: December 2, 2003
    Assignee: Nortel Networks Limited
    Inventors: Carlos F. Carrion, Steven W. Craycraft