Patents Assigned to Walltalkers
  • Patent number: 5361164
    Abstract: A high quality projection screen which also is a dry erasable markerboard is disclosed, together with a method for making such a combination projection screen and dry erasable markerboard. The light reflecting writing surface of the combination projection screen and dry erasable markerboard preferably is white, off-white or light in color, and has a bi-directional lenticular embossed surface for increased and more accurate reflection of projected light, and a wider angle effective viewing area. The light reflecting writing surface preferably is made of a thin film of fluoropolymer, such as a modified copolymer of ethylene and tetrafluoroethylene.
    Type: Grant
    Filed: June 17, 1992
    Date of Patent: November 1, 1994
    Assignee: Walltalkers
    Inventor: Gregg A. Steliga