Patents by Inventor Richard L. Aiani

Richard L. Aiani 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).

  • Audio racquet ball
    Patent number: 4281833
    Abstract: A non-visual ball and paddle game played through the medium of sound. Ball location, paddle position and playing field are defined by variations of volume, tone, pitch, frequency and stereo separation by means of stereo earphones worn by each player.
    Type: Grant
    Filed: March 20, 1978
    Date of Patent: August 4, 1981
    Assignee: Sound Games, Inc.
    Inventors: Michael E. Sandler, Richard L. Aiani