Patents by Inventor YengChi Pong

YengChi Pong 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).

  • Face mask
    Patent number: D681881
    Type: Grant
    Filed: December 17, 2012
    Date of Patent: May 7, 2013
    Inventor: YengChi Pong