Patents by Inventor Wen Jin Xi

Wen Jin Xi 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).

  • Toothbrush
    Patent number: D556453
    Type: Grant
    Filed: June 1, 2006
    Date of Patent: December 4, 2007
    Assignee: Colgate-Palmolive Company
    Inventors: Al A. Sprosta, Wen Jin Xi, Tau Dai
  • Toothbrush
    Patent number: D575958
    Type: Grant
    Filed: September 6, 2007
    Date of Patent: September 2, 2008
    Assignee: Colgate-Palmolive Company
    Inventors: Al A. Sprosta, Wen Jin Xi, Tau Dai
  • Toothbrush
    Patent number: D595961
    Type: Grant
    Filed: November 26, 2008
    Date of Patent: July 14, 2009
    Assignee: Colgate-Palmolive Company
    Inventor: Wen Jin Xi