Patents by Inventor Joern Dallmann

Joern Dallmann 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).

  • Office chair
    Patent number: D545076
    Type: Grant
    Filed: February 28, 2005
    Date of Patent: June 26, 2007
    Assignee: Haworth, Inc.
    Inventors: Joern Dallmann, Larry A. Wilkerson, Joe Willette, Michael W. Welsh, Pete Beyer
  • Office chair
    Patent number: D562574
    Type: Grant
    Filed: May 8, 2007
    Date of Patent: February 26, 2008
    Assignee: Haworth, Inc.
    Inventors: Joern Dallmann, Larry A. Wilkerson, Joe Willette, Michael W. Welsh, Pete Beyer
  • Lumbar support for an office chair
    Patent number: D587942
    Type: Grant
    Filed: November 29, 2007
    Date of Patent: March 10, 2009
    Assignee: Haworth, Inc.
    Inventors: Joern Dallmann, Larry A. Wilkerson, Joe Willette, Michael W. Welsh, Pete Beyer