Patents by Inventor Mildred E. Roberts

Mildred E. Roberts 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: 4688285
    Abstract: A medical cushion for minimizing pressure areas on portions of the human anatomy and enhancing air circulation therearound, the cushion having an elastomeric body with a substantially overall rectangular cross-sectional configuration and having top, bottom and side surfaces, an aperture extending completely through the cushion from top to bottom, a plurality of slots in each of the top and bottom surfaces extending through said side surface and into the aperture, the slots and aperture being of sufficient size and number as to provide substantial air flow under, through and over the cushion in a continuous uninterrupted circulating manner.
    Type: Grant
    Filed: September 22, 1986
    Date of Patent: August 25, 1987
    Inventor: Mildred E. Roberts