Patents by Inventor Calvin S. C. Yuan

Calvin S. C. Yuan 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).

  • Diamond
    Patent number: D454517
    Type: Grant
    Filed: April 16, 2001
    Date of Patent: March 19, 2002
    Inventors: Joe Chih-Chung Yuan, Calvin S. C. Yuan
  • Diamond
    Patent number: D462922
    Type: Grant
    Filed: November 8, 2001
    Date of Patent: September 17, 2002
    Inventors: Joe Chih-Chung Yuan, Calvin S. C. Yuan