Patents Assigned to Skyball Int. Ltd.
  • Concave rebounding surface for playing a ball game
    Patent number: 6213900
    Abstract: A concave rebounding surface is provided which permits a ball game similar to squash to be played outdoors.
    Type: Grant
    Filed: May 25, 1999
    Date of Patent: April 10, 2001
    Assignee: Skyball Int. Ltd.
    Inventors: Martin Steyn, Renato P. Rüede