Patents by Inventor James W. Phelps

James W. Phelps 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).

  • Toll fraud detection system
    Patent number: 5602906
    Abstract: In a telecommunications network, a toll fraud detection system analyzes call placement information concerning toll calls placed using billing numbers for unauthorized use of billing numbers. In the preferred embodiment, a set of artificial intelligence rules operate on the placement information to develop an indication that the use of a particular billing number is unauthorized.
    Type: Grant
    Filed: April 30, 1993
    Date of Patent: February 11, 1997
    Assignee: Sprint Communications Company L.P.
    Inventor: James W. Phelps