Patents by Inventor Qixuan Cai

Qixuan Cai 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).

  • Bath mat
    Patent number: D939859
    Type: Grant
    Filed: July 27, 2020
    Date of Patent: January 4, 2022
    Inventor: Qixuan Cai
  • Bath mat
    Patent number: D945793
    Type: Grant
    Filed: February 11, 2020
    Date of Patent: March 15, 2022
    Inventor: Qixuan Cai
  • Bath mat
    Patent number: D962678
    Type: Grant
    Filed: March 2, 2021
    Date of Patent: September 6, 2022
    Inventor: Qixuan Cai
  • Bath mat
    Patent number: D1000162
    Type: Grant
    Filed: October 21, 2021
    Date of Patent: October 3, 2023
    Inventor: Qixuan Cai