Patents by Inventor Udo Zahn

Udo Zahn 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: D342332
    Type: Grant
    Filed: November 22, 1991
    Date of Patent: December 14, 1993
    Inventors: Udo Zahn, Howard VonBergen