Patents by Inventor Oliver Ritzinger

Oliver Ritzinger 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).

  • Slide board
    Patent number: 6189912
    Abstract: A new slide or snow board is described having a structure of the bottom side or slide face of a central slide structure and lateral guide surfaces, which enables a simple and substantially drift-free steering mechanism. Therefore, this slide board is in particular suitable for beginners, children or unathletic users.
    Type: Grant
    Filed: August 1, 1997
    Date of Patent: February 20, 2001
    Assignee: Boards Unlimited Sportarikel GmbH & Co. KG
    Inventor: Oliver Ritzinger
  • Snowboard
    Patent number: D401287
    Type: Grant
    Filed: December 4, 1997
    Date of Patent: November 17, 1998
    Assignee: Boards Unlimited Sportartikel GmbH & Co. KG
    Inventor: Oliver Ritzinger