Patents by Inventor Christopher A. Warfield

Christopher A. Warfield 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).

  • Ground supported head rest
    Patent number: 5608935
    Abstract: A head rest for supporting a human head relative to a ground surface. The inventive device includes a base frame positionable upon a ground surface. An upper frame is supported at an angle relative to the base frame by a plurality of stanchions extending therebetween. A perimeter pad extends about the upper frame for engaging a human head. The upper frame is substantially oval in shape to accommodate a human head in both prone and supine positions.
    Type: Grant
    Filed: May 30, 1995
    Date of Patent: March 11, 1997
    Inventor: Christopher A. Warfield