Patents by Inventor Carl F. Bierdeman

Carl F. Bierdeman 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).

  • Patent number: 4932391
    Abstract: A grill device or grill kit, having a base, support post, and a cantilevered support arm, adjustably interconnected for wide accommodation of cooking or grilling situations, outdoors or even indoors in a front-loading stove or fireplace. The support arm, and its revolvable connection to the support post, provide for use of the support arm as a rotisserie, and both a motor and a hand crank are provided for the grill-turning function; and diversity is further accommodated by the grill body itself being adjustable for flat-support use, or for meat-clamping use when the grill and support arm are used as a rotisserie.
    Type: Grant
    Filed: April 20, 1989
    Date of Patent: June 12, 1990
    Inventor: Carl F. Bierdeman