Patents by Inventor Chaoxiu Zeng

Chaoxiu Zeng 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).

  • Ear cleaner
    Patent number: D1017807
    Type: Grant
    Filed: September 8, 2023
    Date of Patent: March 12, 2024
    Inventor: Chaoxiu Zeng
  • Ear cleaner
    Patent number: D1025349
    Type: Grant
    Filed: September 8, 2023
    Date of Patent: April 30, 2024
    Inventor: Chaoxiu Zeng