Patents by Inventor CHWEN-CHWEN CHANG

CHWEN-CHWEN 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).

  • MULTI-PURPOSE ULTRAVIOLET STERILIZER
    Publication number: 20100148090
    Abstract: A multi-purpose ultraviolet sterilizer comprises a body having six planes, wherein one of the six planes is a door; an inner space arranged inside the body and used to store objects that are small the inner space; and a sterilization module coupled with the inner space and used to disinfect objects stored inside the inner space.
    Type: Application
    Filed: December 15, 2008
    Publication date: June 17, 2010
    Inventor: CHWEN-CHWEN CHANG