Patents by Inventor Mingkai Chen

Mingkai Chen 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).

  • Toy makeup box
    Patent number: D999840
    Type: Grant
    Filed: May 16, 2022
    Date of Patent: September 26, 2023
    Inventor: Mingkai Chen
  • Toy makeup box
    Patent number: D999841
    Type: Grant
    Filed: May 16, 2022
    Date of Patent: September 26, 2023
    Inventor: Mingkai Chen
  • Toy makeup box
    Patent number: D999842
    Type: Grant
    Filed: May 16, 2022
    Date of Patent: September 26, 2023
    Inventor: Mingkai Chen
  • Toy makeup box
    Patent number: D1001908
    Type: Grant
    Filed: May 16, 2022
    Date of Patent: October 17, 2023
    Inventor: Mingkai Chen
  • Toy makeup box
    Patent number: D1001909
    Type: Grant
    Filed: May 16, 2022
    Date of Patent: October 17, 2023
    Inventor: Mingkai Chen
  • Toy makeup box
    Patent number: D1001910
    Type: Grant
    Filed: May 16, 2022
    Date of Patent: October 17, 2023
    Inventor: Mingkai Chen
  • Makeup bag toy
    Patent number: D1004277
    Type: Grant
    Filed: May 16, 2022
    Date of Patent: November 14, 2023
    Inventor: Mingkai Chen
  • Toy for making bath salt ball
    Patent number: D1005407
    Type: Grant
    Filed: May 16, 2022
    Date of Patent: November 21, 2023
    Inventor: Mingkai Chen
  • Jewelry making toy
    Patent number: D1006128
    Type: Grant
    Filed: May 24, 2022
    Date of Patent: November 28, 2023
    Inventor: Mingkai Chen
  • Toy makeup box
    Patent number: D1007860
    Type: Grant
    Filed: May 16, 2022
    Date of Patent: December 19, 2023
    Inventor: Mingkai Chen
  • Toy makeup box
    Patent number: D1015734
    Type: Grant
    Filed: May 16, 2022
    Date of Patent: February 27, 2024
    Inventor: Mingkai Chen
  • Toy makeup box
    Patent number: D1020236
    Type: Grant
    Filed: May 16, 2022
    Date of Patent: April 2, 2024
    Inventor: Mingkai Chen