Patents by Inventor Yeung Chun Chung

Yeung Chun Chung 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).

  • Walkie talkie watch
    Patent number: D496590
    Type: Grant
    Filed: January 5, 2004
    Date of Patent: September 28, 2004
    Inventors: Yeung Chun Chung, Chen Aixia