Patents by Inventor Hazel Suzanne Shirley

Hazel Suzanne Shirley 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 detection and prevention of calling card fraud
    Patent number: 6188753
    Abstract: A method and apparatus for detection and prevention of calling card fraud is disclosed. The invention provides enhanced intelligence and efficiency in part applying by a fraud analysis associated with a calling card bill type or service provider as identified by originating partitions in network switches. Additionally, the invention incorporates a case-subcase arrangement of fraud analysis information and conducts fraud analysis on a case-by-case basis, thereby providing streamlined handling of suspected fraud. Still additionally, the invention includes an administrative monitor that continuously collects and reviews fraud system status information to detect abnormalities in the system.
    Type: Grant
    Filed: June 30, 1997
    Date of Patent: February 13, 2001
    Assignee: Sprint Communications Co. L.P.
    Inventors: Hooshmand Afsar, David Scott Janzen, Mark Ross Erickson, Hazel Suzanne Shirley, Christine Louise Fogarty, Michael Scott Nielsen, Douglas Alan Clark