Patents by Inventor Chi-Fong Yang

Chi-Fong Yang 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).

  • Pillow
    Patent number: D688897
    Type: Grant
    Filed: May 7, 2012
    Date of Patent: September 3, 2013
    Assignee: Test Rite International Company, Ltd.
    Inventor: Chi-Fong Yang
  • Pillow
    Patent number: D688898
    Type: Grant
    Filed: May 7, 2012
    Date of Patent: September 3, 2013
    Assignee: Test Rite International Company, Ltd.
    Inventor: Chi-Fong Yang