Patents by Inventor Wai Kwong Yau

Wai Kwong Yau 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).

  • Cooking pan
    Patent number: D810495
    Type: Grant
    Filed: August 1, 2016
    Date of Patent: February 20, 2018
    Assignee: SUPER WIN ENTERPRISES CORP.
    Inventor: Wai Kwong Yau