Patents by Inventor William Paul Stewart

William Paul Stewart 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).

  • System for increasing antenna efficiency
    Patent number: 6266019
    Abstract: A communications device having an antenna and a housing having a front section and a rear section, one of the front section and the rear section being conductive. A circuit board is mounted within the housing and includes a point of lowest potential and a perimeter of length P. An electrical connection between the conductive one section and the circuit board point of lowest potential has a length less than one-half P.
    Type: Grant
    Filed: July 21, 2000
    Date of Patent: July 24, 2001
    Assignee: Ericsson Inc.
    Inventors: William Paul Stewart, Randy D. Hickle