Patents by Inventor Chongliang Chen

Chongliang 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).

  • Jumbo roll toilet paper dispenser
    Patent number: D880892
    Type: Grant
    Filed: June 15, 2018
    Date of Patent: April 14, 2020
    Inventor: Chongliang Chen
  • Automatic soap dispenser
    Patent number: D906723
    Type: Grant
    Filed: May 11, 2020
    Date of Patent: January 5, 2021
    Inventor: Chongliang Chen