Patents by Inventor Walter Adenau

Walter Adenau 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).

  • Display board
    Publication number: 20030044763
    Abstract: A novel display device suitable for educational purposes includes two rectangular surfaces connected to each other in a V-shape or tent-type relationship and held in place by means of metal O-rings connected through apertures in the upper surfaces of the rectangular materials, A strap member connected to the base of each of the two rectangular surfaces at the central portion thereof serves to permit reversal of the rectangular surfaces, thereby enlarging the scope of use of the display device.
    Type: Application
    Filed: August 30, 2001
    Publication date: March 6, 2003
    Inventor: Walter Adenau