Patents by Inventor Liangyong Chen

Liangyong 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).

  • Solar lamp
    Patent number: D884250
    Type: Grant
    Filed: November 7, 2018
    Date of Patent: May 12, 2020
    Inventor: Liangyong Chen
  • Tape cassette
    Patent number: D909471
    Type: Grant
    Filed: April 27, 2020
    Date of Patent: February 2, 2021
    Assignee: ZHONGSHAN JIGUAN SCIENCE AND TECHNOLOGY CO., LTD.
    Inventor: Liangyong Chen