Patents by Inventor Matthew John Parzych

Matthew John Parzych 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 fraud control in a cellular telephone switch
    Patent number: 6181925
    Abstract: A method and apparatus for fraud control using enhanced techniques with the call interdiction feature of a switch. A system in accordance with the principles of the present invention includes a fraud control system that monitors calls, identifies both legitimate and fraudulent cellular phones, discriminates legitimate cellular phones from fraudulent cellular phones, and then transmits an interdiction message to the switch, wherein the interdiction message instructs the switch to terminate calls placed from fraudulent cellular phones, while allowing calls placed by legitimate cellular phones to continue undisturbed.
    Type: Grant
    Filed: April 9, 1997
    Date of Patent: January 30, 2001
    Assignee: Cellco Partnership
    Inventors: William J. Kaminsky, Robert C. Medina, David Leighton Daniels, Matthew John Parzych