Patents by Inventor Patricia S. Davis

Patricia S. Davis 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).

  • Portable food/writing tray
    Patent number: 5005702
    Abstract: A portable tray comprising a tray body and legs extending outward therefrom, the tray body and legs each having a core of a resiliently compressive matrix and an outer layer of visco-elastic material. A second embodiment comprises a tray body formed of a first air-filled chamber. Second and third air-filled chambers are mounted to the first air-filled chamber and spaced apart from one another to straddle the user's legs.
    Type: Grant
    Filed: February 9, 1990
    Date of Patent: April 9, 1991
    Inventors: Mark S. Davis, Patricia S. Davis