Patents by Inventor Wei-Cheng Liu

Wei-Cheng Liu 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).

  • Cosmetic mask
    Publication number: 20040139981
    Abstract: This invention relates to a cosmetic mask which includes a mask film in the shape of face-figuration principally made of silicon rubber; inside the mask film a plurality of particle far-infrared generators are evenly distributed for facilitating said mask to adhere to the user's face and generating far infrared rays to activate the user's face, then resulting in an improvement in facial skin care.
    Type: Application
    Filed: January 16, 2003
    Publication date: July 22, 2004
    Inventor: Wei-Cheng Liu