Patents by Inventor Douglas B. Stewart

Douglas B. 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).

  • Wind screen apparatus for outdoor grills
    Patent number: 6973927
    Abstract: A windscreen apparatus (10) for outdoor cooking grills wherein, the apparatus (10) includes a base member (20) that supports a cooking grill and a pair of side wall members (30) (30?) and a rear wall member (40) adapted to be pivoted into an upright position relative to the base member (20) wherein, at least the rear wall member (40) is hingedly connected (50?) to the base member (20) and wherein, all of the wall members (30) (30?) and (40) have a height greater than the top of the cooking grill.
    Type: Grant
    Filed: July 7, 2004
    Date of Patent: December 13, 2005
    Inventor: Douglas B. Stewart