Patents by Inventor Zichuan Chen

Zichuan 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).

  • Ice cube tray
    Patent number: D947260
    Type: Grant
    Filed: April 13, 2021
    Date of Patent: March 29, 2022
    Assignee: YIWU KANGSHUO PLASTIC PRODUCTS CO., LTD.
    Inventor: Zichuan Chen
  • Portable pill box
    Patent number: D950234
    Type: Grant
    Filed: April 13, 2021
    Date of Patent: May 3, 2022
    Assignee: YIWU KANGSHUO PLASTIC PRODUCTS CO., LTD.
    Inventor: Zichuan Chen