Patents by Inventor Guang Sheng Guo

Guang Sheng Guo 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).

  • Oral care implement
    Patent number: D643219
    Type: Grant
    Filed: December 3, 2010
    Date of Patent: August 16, 2011
    Assignee: Colgate-Palmolive Company
    Inventors: Wen Jin Xi, Guang Sheng Guo, Kai Zhang
  • Oral care implement
    Patent number: D645253
    Type: Grant
    Filed: October 1, 2010
    Date of Patent: September 20, 2011
    Assignee: Colgate-Palmolive Company
    Inventors: Wen Jin Xi, Guang Sheng Guo, Kai Zhang
  • Toothbrush
    Patent number: D651806
    Type: Grant
    Filed: June 17, 2011
    Date of Patent: January 10, 2012
    Assignee: Colgate-Palmolive Company
    Inventors: Wen Jin Xi, Guang Sheng Guo, Jian Rong Zhou
  • Toothbrush
    Patent number: D651807
    Type: Grant
    Filed: June 17, 2011
    Date of Patent: January 10, 2012
    Assignee: Colgate-Palmolive Company
    Inventors: Wen Jin Xi, Guang Sheng Guo, Jian Rong Zhou
  • Toothbrush
    Patent number: D658887
    Type: Grant
    Filed: September 9, 2011
    Date of Patent: May 8, 2012
    Assignee: Colgate-Palmolive Company
    Inventors: Wen Jin Xi, Guang Sheng Guo, Kai Zhang
  • Oral care implement
    Patent number: D677058
    Type: Grant
    Filed: June 7, 2012
    Date of Patent: March 5, 2013
    Assignee: Colgate-Palmolive Company
    Inventors: Wen Jin Xi, Guang Sheng Guo, Jian Rong Zhou
  • Toothbrush
    Patent number: D678681
    Type: Grant
    Filed: June 17, 2011
    Date of Patent: March 26, 2013
    Assignee: Colgate-Palmolive Company
    Inventors: Wen Jin Xi, Guang Sheng Guo, Jian Rong Zhou
  • Toothbrush
    Patent number: D679096
    Type: Grant
    Filed: September 9, 2011
    Date of Patent: April 2, 2013
    Assignee: Colgate-Palmolive Company
    Inventors: Wen Jin Xi, Guang Sheng Guo, Kai Zhang
  • Oral care implement
    Patent number: D686416
    Type: Grant
    Filed: September 13, 2011
    Date of Patent: July 23, 2013
    Assignee: Colgate-Palmolive Company
    Inventors: Wen Jin Xi, Guang Sheng Guo, Ran Zhang
  • Oral care implement
    Patent number: D689699
    Type: Grant
    Filed: September 28, 2012
    Date of Patent: September 17, 2013
    Assignee: Colgate-Palmolive Company
    Inventors: Wen Jin Xi, Guang Sheng Guo, Kai Zhang
  • Oral care implement
    Patent number: D691376
    Type: Grant
    Filed: October 1, 2010
    Date of Patent: October 15, 2013
    Assignee: Colgate-Palmolive Company
    Inventors: Wen Jin Xi, Guang Sheng Guo, Kai Zhang