Patents by Inventor Chang-ki Yeo

Chang-ki Yeo 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).

  • Mobile phone case
    Patent number: D557894
    Type: Grant
    Filed: October 16, 2006
    Date of Patent: December 25, 2007
    Assignee: Hyunwon Inc.
    Inventor: Chang-ki Yeo