Patents by Inventor William K. Hoffart

William K. Hoffart 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).

  • CATV channel access control and metering apparatus
    Patent number: 5341216
    Abstract: A communications device is disclosed for use between a CATV distribution line and a plurality of CATV subscribed premises for monitoring the utilization of each subscriber of a plurality of subscribers of TV channels distributed over the CATV distribution line. The devise comprises a subscriber status monitor associated with each subscriber premises of the plurality of subscribers for connection to the distribution line and delivering one or more of the TV channels to the associated subscriber.
    Type: Grant
    Filed: September 27, 1990
    Date of Patent: August 23, 1994
    Assignee: Saskatchewan Telecommunications
    Inventor: William K. Hoffart