Patents by Inventor William W. Huang

William W. Huang 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).

  • Chair
    Patent number: 6565155
    Abstract: A chair comprises an arm mechanism and a back mechanism each having an adjustment screw for releasably securing a sleeve and a shroud to a J-bar so that a height of either arm or back mechanism can be adjusted relative to the j-bar. Also, a protruded enlargement is formed at a top end of the upright backrest support.
    Type: Grant
    Filed: January 22, 2002
    Date of Patent: May 20, 2003
    Assignee: Norstar Office Products, Inc.
    Inventor: William W. Huang
  • Chair
    Patent number: D465938
    Type: Grant
    Filed: January 8, 2002
    Date of Patent: November 26, 2002
    Assignee: Norstar Office Products, Inc.
    Inventor: William W. Huang
  • Chair
    Patent number: D572923
    Type: Grant
    Filed: February 7, 2008
    Date of Patent: July 15, 2008
    Inventor: William W. Huang
  • Chair
    Patent number: D572924
    Type: Grant
    Filed: March 4, 2008
    Date of Patent: July 15, 2008
    Inventor: William W. Huang
  • Chair
    Patent number: D583161
    Type: Grant
    Filed: May 9, 2008
    Date of Patent: December 23, 2008
    Inventor: William W. Huang
  • Chair
    Patent number: D611717
    Type: Grant
    Filed: November 24, 2009
    Date of Patent: March 16, 2010
    Inventor: William W. Huang
  • Chair
    Patent number: D659418
    Type: Grant
    Filed: October 5, 2010
    Date of Patent: May 15, 2012
    Inventor: William W. Huang
  • Chair
    Patent number: D659419
    Type: Grant
    Filed: October 14, 2010
    Date of Patent: May 15, 2012
    Inventor: William W. Huang
  • Chair
    Patent number: D659420
    Type: Grant
    Filed: October 14, 2010
    Date of Patent: May 15, 2012
    Inventor: William W. Huang