Patents by Inventor Chan Sop Yu

Chan Sop Yu 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).

  • Frying pan
    Patent number: D798651
    Type: Grant
    Filed: February 23, 2016
    Date of Patent: October 3, 2017
    Inventor: Chan Sop Yu
  • Frying pan
    Patent number: D865433
    Type: Grant
    Filed: May 2, 2017
    Date of Patent: November 5, 2019
    Inventor: Chan Sop Yu