Patents by Inventor Sunwei Gan

Sunwei Gan 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).

  • Antibacterial toothbrush
    Patent number: D867763
    Type: Grant
    Filed: October 30, 2018
    Date of Patent: November 26, 2019
    Assignee: YANGZHOU E.S. TOOTHBRUSH CO., LTD.
    Inventor: Sunwei Gan
  • Toothbrush
    Patent number: D876098
    Type: Grant
    Filed: January 15, 2019
    Date of Patent: February 25, 2020
    Assignee: YANGZHOU E.S. TOOTHBRUSH CO., LTD.
    Inventor: Sunwei Gan
  • Antibacterial toothbrush bristles
    Patent number: D925231
    Type: Grant
    Filed: October 30, 2018
    Date of Patent: July 20, 2021
    Assignee: YANGZHOU E.S. TOOTHBRUSH CO., LTD.
    Inventor: Sunwei Gan
  • Toothbrush
    Patent number: D976009
    Type: Grant
    Filed: April 1, 2021
    Date of Patent: January 24, 2023
    Inventor: Sunwei Gan