Patents Assigned to Extraversion, Inc.
  • Patent number: 4678246
    Abstract: A display apparatus that is adapted to be used in a display position but may also be folded to a carrying position in which it is folded to a more compact arrangement. The display apparatus is in the form of a base housing having a front wall including a first display means which may be a rear projection display, and an upper housing overlying the base housing including a second display means. The upper housing preferably is formed in top and bottom housing sections. The top section is disposed over the bottom section in the display position so that the display is essentially in an upright position. In the folded position, the bottom section covers the top surface of the base housing while the top section extends to cover the first display means.
    Type: Grant
    Filed: May 3, 1985
    Date of Patent: July 7, 1987
    Assignee: Extraversion, Inc.
    Inventor: Willy Ytter
  • Patent number: 4601524
    Abstract: A display apparatus that is adapted to be used in a display position but may also be folded to a carrying position in which it is folded to a more compact arrangement. The display apparatus is in the form of a base housing having a front wall including a first display means which may be a rear projection display, and an upper housing overlying the base housing including a second display means. The upper housing preferably is formed in top and bottom housing sections. The top section is disposed over the bottom section in the display position so that the display is essentially in an upright position. In the folded position, the bottom section covers the top surface of the base housing while the top section extends to cover the first display means.
    Type: Grant
    Filed: July 12, 1982
    Date of Patent: July 22, 1986
    Assignee: Extraversion, Inc.
    Inventor: Willy Ytter
  • Patent number: 4436135
    Abstract: A portable display system having a plurality of hollow panel assemblies with each comprising two parallel and facing wall boards secured within a border strip device. Eight panel assemblies are hinged together to fold and unfold between a folded position in which all panel assemblies are in parallel stacked relation and an unfolded position in which the panels are open in any one of a number of different positions including a continuous wall arrangement.
    Type: Grant
    Filed: January 28, 1980
    Date of Patent: March 13, 1984
    Assignee: Extraversion, Inc.
    Inventor: Willy Ytter
  • Patent number: 4147198
    Abstract: A portable display system having a plurality of hollow panel assemblies with each comprising two parallel and facing wall boards secured within a border strip device. Eight panel assemblies are hinged together to fold and unfold between a folded position in which all eight panel assemblies are in parallel stacked relation and an unfolded position in which the panels are opened in a continuous wall configuration.
    Type: Grant
    Filed: October 3, 1977
    Date of Patent: April 3, 1979
    Assignee: Extraversion, Inc.
    Inventor: Willy Ytter
  • Patent number: RE30777
    Abstract: A portable display system having a plurality of hollow panel assemblies with each comprising two parallel and facing wall boards secured within a border strip device. Eight panel assemblies are hinged together to fold and unfold between a folded position in which all eight panel assemblies are in parallel stacked relation and an unfolded position in which the panels are opened in a continuous wall configuration.
    Type: Grant
    Filed: October 25, 1979
    Date of Patent: October 20, 1981
    Assignee: Extraversion, Inc.
    Inventor: Willy Ytter
  • Patent number: D271732
    Type: Grant
    Filed: July 9, 1979
    Date of Patent: December 13, 1983
    Assignee: Extraversion, Inc.
    Inventor: Willy Ytter