Patents by Inventor Alan Guggenheim

Alan Guggenheim 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).

  • Return channel for pay television decoder
    Publication number: 20030012380
    Abstract: In order to purchase television programs, it is necessary to establish a communication between the television decoder of the subscriber and a management center. There are known transmission means such as a modem or a cable link to dialogue with the management center.
    Type: Application
    Filed: July 25, 2002
    Publication date: January 16, 2003
    Inventor: Alan Guggenheim