Patents by Inventor Chang-Han Lin

Chang-Han Lin 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).

  • Publication number: 20080045339
    Abstract: The present invention recognizes an award of a game card with a mobile phone, a wireless device or a personal computer while obtaining a concealment and an amusement.
    Type: Application
    Filed: August 14, 2006
    Publication date: February 21, 2008
    Applicant: Chang-Han Lin
    Inventor: Chang-Han Lin
  • Publication number: 20060113789
    Abstract: The present invention provides a game card which contains encrypted data to be recognized by watching from various visual angles or through a filter lens so that a good concealment and a high amusement are obtained.
    Type: Application
    Filed: November 14, 2005
    Publication date: June 1, 2006
    Inventor: Chang-Han Lin