Patents Assigned to WKB Wirtschafts-und Konzeptberatung GmbH
  • Combined blackboard and tray
    Patent number: D436128
    Type: Grant
    Filed: December 20, 1999
    Date of Patent: January 9, 2001
    Assignee: WKB Wirtschafts-und Konzeptberatung GmbH
    Inventor: Arno Keglmaier