Patents by Inventor Martin Steyn

Martin Steyn 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: 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. RĂ¼ede