Patents by Inventor Jeff Yonghuang Chang

Jeff Yonghuang Chang 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).

  • Table riser
    Patent number: D974814
    Type: Grant
    Filed: August 17, 2020
    Date of Patent: January 10, 2023
    Inventors: Jeff Yonghuang Chang, Chih-Chiang Kuo