Patents by Inventor Esther L. Henderson

Esther L. Henderson 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).

  • Bingo bag with self-supporting vertical wall
    Patent number: 4977941
    Abstract: A bingo bag is formed by quilt material sewed into a hollow container that is open at its upper end. Fabric is stitched to the inner surface of the container to form a plurality of pockets. The quilt material is stiff enough that the bag sits in an upright position making accessible the interior of the bag where bingo-playing accessories are kept.
    Type: Grant
    Filed: March 19, 1990
    Date of Patent: December 18, 1990
    Inventor: Esther L. Henderson