Patents by Inventor James E. Haggmark

James E. Haggmark 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).

  • Pay-per-view CATV system
    Patent number: 4852154
    Abstract: A pay-per-view CATV system which is interfaced with the switched public telephone system is described. A subscriber selects a specific scheduled television event by dialing a telephone number which uniquely identifies the selected event. The called and originating numbers are identified, digitized and combined to form a digital word. The digital word is then transmitted to the CATV supplier.
    Type: Grant
    Filed: February 4, 1986
    Date of Patent: July 25, 1989
    Assignee: Pacific Bell
    Inventors: David R. Lewis, Albert J. Perkins, Gasper L. Raya, Michael F. Vargo, James E. Haggmark