Patents Assigned to Dauphin Entwicklungs-und Beteiligungs GmbH
  • Seat plate for a seat of adjustable seat depth
    Patent number: 6106063
    Abstract: A seat plate for an adjustable depth seat, in particular of an office chair, comprises two partial plates, the distance of which from each other is adjustable and fixable in the direction of seat depth. In particular, the partial plates are joined to each other by a guide and a releasable locking device, adjustment of seat depth thereby being enabled to take place in the substantially horizontal adjusting direction.
    Type: Grant
    Filed: September 28, 1999
    Date of Patent: August 22, 2000
    Assignee: Dauphin Entwicklungs-und Beteiligungs GmbH
    Inventor: Friedrich-W. Dauphin
  • Chair
    Patent number: D560381
    Type: Grant
    Filed: April 18, 2005
    Date of Patent: January 29, 2008
    Assignee: Dauphin Entwicklungs-und Beteiligungs GmbH
    Inventor: Elke Dauphin
  • Chair
    Patent number: D564245
    Type: Grant
    Filed: February 17, 2005
    Date of Patent: March 18, 2008
    Assignee: Dauphin Entwicklungs - und Beteiligungs GmbH
    Inventor: Elke Dauphin
  • Chair
    Patent number: D564771
    Type: Grant
    Filed: April 26, 2007
    Date of Patent: March 25, 2008
    Assignee: Dauphin Entwicklungs - und Beteiligungs GmbH
    Inventor: Elke Dauphin
  • Chair
    Patent number: D585658
    Type: Grant
    Filed: April 20, 2007
    Date of Patent: February 3, 2009
    Assignee: Dauphin Entwicklungs-und Beteiligungs GmbH
    Inventor: Elke Dauphin
  • Chair
    Patent number: D589276
    Type: Grant
    Filed: April 20, 2007
    Date of Patent: March 31, 2009
    Assignee: Dauphin Entwicklungs und Beteiligungs GmbH
    Inventor: Elke Dauphin
  • Backrest of a chair
    Patent number: D610843
    Type: Grant
    Filed: April 20, 2007
    Date of Patent: March 2, 2010
    Assignee: Dauphin Entwicklungs-und Beteiligungs GmbH
    Inventor: Martin Ballendat