Patents by Inventor Arno Keglmaier

Arno Keglmaier 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).

  • 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