Patents by Inventor Ralf Coerschulte

Ralf Coerschulte 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).

  • Learning bike
    Patent number: D504845
    Type: Grant
    Filed: December 1, 2003
    Date of Patent: May 10, 2005
    Inventor: Ralf Coerschulte