Patents by Inventor Dongli Cai

Dongli 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).

  • Toilet seat for children
    Patent number: D987045
    Type: Grant
    Filed: February 2, 2023
    Date of Patent: May 23, 2023
    Inventor: Dongli Cai
  • Toilet seat for children
    Patent number: D992703
    Type: Grant
    Filed: February 2, 2023
    Date of Patent: July 18, 2023
    Inventor: Dongli Cai
  • Toilet seat for children
    Patent number: D1005460
    Type: Grant
    Filed: February 2, 2023
    Date of Patent: November 21, 2023
    Inventor: Dongli Cai