Patents by Inventor Eric I. Hay

Eric I. Hay 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).

  • Ball game for indoor use
    Patent number: 4307882
    Abstract: A ball game for indoor use comprising a playing surface or a court, a netting, rackets or bats, and a ball. The length of the court is between 1.5 feet and 6.5 feet. Each racket has a handle arranged at an angle with respect to the striking face of the racket. The edge portion of the striking face of the racket is provided with a sliding surface designed to contact the court during the game. The diameter of the ball is between 3/8" and 11/4", and the weight of the ball is between 0.0035 and 0.0180 oz.
    Type: Grant
    Filed: April 30, 1979
    Date of Patent: December 29, 1981
    Inventors: Eric I. Hay, Anders S. W. Nordstrom