Patents by Inventor Fred Popke

Fred Popke 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).

  • Calling number verification service
    Patent number: 5341414
    Abstract: A system which uses Automatic Number Identification (ANI) equipment and techniques and/or Caller ID equipment and techniques to provide a means for telecommunicators to verify if identifying information such as their telephone number or the location they are calling from is being passed to receiving parties and/or if their call blocking or rerouting methods to prevent this from happening are effective.
    Type: Grant
    Filed: February 5, 1992
    Date of Patent: August 23, 1994
    Inventor: Fred Popke