Patents by Inventor Xu Lifeng

Xu Lifeng 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).

  • Calf and foot massager
    Patent number: D535402
    Type: Grant
    Filed: October 7, 2005
    Date of Patent: January 16, 2007
    Assignee: Interactive Health, LLC
    Inventors: Xu Lifeng, David Potter
  • Calf and foot massager
    Patent number: D535751
    Type: Grant
    Filed: October 7, 2005
    Date of Patent: January 23, 2007
    Assignee: Interactive Health, LLC
    Inventors: Xu Lifeng, David Potter
  • Massage chair
    Patent number: D536892
    Type: Grant
    Filed: October 7, 2005
    Date of Patent: February 20, 2007
    Assignee: Interactive Health, LLC.
    Inventor: Xu Lifeng
  • Massage chair
    Patent number: D536893
    Type: Grant
    Filed: October 7, 2005
    Date of Patent: February 20, 2007
    Assignee: Interactive Health, LLC.
    Inventor: Xu Lifeng
  • Massage chair
    Patent number: D537262
    Type: Grant
    Filed: March 1, 2006
    Date of Patent: February 27, 2007
    Assignee: Interactive Health, LLC
    Inventor: Xu Lifeng
  • Massage chair
    Patent number: D537646
    Type: Grant
    Filed: March 3, 2006
    Date of Patent: March 6, 2007
    Assignee: Interactive Health, LLC.
    Inventors: David Potter, Xu Lifeng
  • Massage chair
    Patent number: D538056
    Type: Grant
    Filed: October 7, 2005
    Date of Patent: March 13, 2007
    Assignee: Interactive Health, LLC
    Inventor: Xu Lifeng
  • Massage chair
    Patent number: D591963
    Type: Grant
    Filed: August 1, 2008
    Date of Patent: May 12, 2009
    Assignee: Human Touch, LLC
    Inventor: Xu Lifeng
  • Massage chair
    Patent number: D604536
    Type: Grant
    Filed: May 11, 2009
    Date of Patent: November 24, 2009
    Assignee: Human Touch, LLC.
    Inventor: Xu Lifeng