Patents by Inventor Chang Chih Chao

Chang Chih Chao 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).

  • Device for illuminating palm-top TV game
    Publication number: 20040033835
    Abstract: A device for illuminating palm-top TV game includes a locating seat and a light casing pivotally connected to the locating seat via two angle arms. The locating seat is provided with retaining hooks for engaging with sockets provided at a rear side of a battery compartment of the palm-top TV game and thereby holds the latter to a top of the locating seat. The light casing is internally provided with a lighting tube to provide a sufficient light source to illuminate a display of the palm-top TV game attached to the top of the locating seat. The locating seat is also provided with elastic engaging members for detachably engaging with retaining holes provided at an upper edge of the TV game to ensure a firm attachment of the illuminating device to the TV game.
    Type: Application
    Filed: August 14, 2002
    Publication date: February 19, 2004
    Inventor: Chang Chih Chao
  • Lower case for palm-top TV game
    Patent number: D489416
    Type: Grant
    Filed: November 21, 2002
    Date of Patent: May 4, 2004
    Inventor: Chang Chih Chao
  • Hand held video game player
    Patent number: D414218
    Type: Grant
    Filed: December 24, 1998
    Date of Patent: September 21, 1999
    Assignee: Run Yield Enterprise Co., Ltd.
    Inventor: Chang Chih Chao