Patents by Inventor Hao Qing

Hao Qing 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: D664359
    Type: Grant
    Filed: November 30, 2011
    Date of Patent: July 31, 2012
    Assignee: Colgate-Palmolive Company
    Inventors: Wen Jin Xi, Hao Qing, Ting Yan
  • Toothbrush
    Patent number: D706035
    Type: Grant
    Filed: December 22, 2011
    Date of Patent: June 3, 2014
    Assignee: Colgate-Palmolive Company
    Inventors: Wen Jin Xi, Hao Qing, Ting Yan