Patents by Inventor William A. Sides

William A. Sides 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).

  • Four-faced die
    Patent number: 5690331
    Abstract: A die has four faces in the shape of isosceles triangles. The die uses an efficient amount of material and can be read without the player having to pick up the die. Each face of the die has placed thereon an indicium corresponding to only a single face. The die provides an equal chance for each of the four faces to be selected.
    Type: Grant
    Filed: August 7, 1996
    Date of Patent: November 25, 1997
    Assignee: TSR, Inc.
    Inventor: William A. Sides