Patents by Inventor Kejie Han

Kejie Han 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).

  • Finger guard
    Patent number: D843589
    Type: Grant
    Filed: March 23, 2017
    Date of Patent: March 19, 2019
    Inventor: Kejie Han
  • Finger guard
    Patent number: D844153
    Type: Grant
    Filed: March 23, 2017
    Date of Patent: March 26, 2019
    Inventor: Kejie Han
  • Nose guard
    Patent number: D851336
    Type: Grant
    Filed: October 30, 2017
    Date of Patent: June 11, 2019
    Inventor: Kejie Han
  • Nose guard
    Patent number: D855894
    Type: Grant
    Filed: October 30, 2017
    Date of Patent: August 6, 2019
    Inventor: Kejie Han