Patents by Inventor Chi-Chao Hwang

Chi-Chao Hwang 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).

  • Patent number: D533645
    Type: Grant
    Filed: November 22, 2004
    Date of Patent: December 12, 2006
    Assignee: Sheng Tai Brassware Co., Ltd.
    Inventor: Chi-Chao Hwang