Patents by Inventor Chris Luzine

Chris Luzine 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).

  • City, time and toll-charge display when calling telephone numbers
    Patent number: 5920614
    Abstract: A method for providing information to a caller about the present physical location of a subscriber with a telephone number. The information could include time of day, city or region, and whether toll charges apply or are increased. A method is also provided for giving a telephone user information about the present physical location of a subscriber with a portable number.
    Type: Grant
    Filed: November 7, 1997
    Date of Patent: July 6, 1999
    Assignee: Northern Telecom Limited
    Inventors: Marwan Osman, Chris Luzine