Patents by Inventor Ronald M. Simon

Ronald M. Simon 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: 5413519
    Abstract: The present invention provides a novel interconnected ring toy effective in reducing the physiological and psychological effects of stress and in improving manual dexterity. The toy is comprised of a plurality of interconnected rings, each ring interconnected with every other ring, the number of rings, ring diameter and ring cross-section chosen to define that amount of free space between the rings which prevents unrestricted movement of the rings yet permits a degree of play to facilitate manipulation of the rings with respect to each other.
    Type: Grant
    Filed: July 20, 1994
    Date of Patent: May 9, 1995
    Inventor: Ronald M. Simon