Patents by Inventor Qing Gang Ke

Qing Gang Ke 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).

  • Patent number: 6206185
    Abstract: The present invention relates to a disk case made of plastics material which comprises a case, body and a cover which can be snapped locked to the body to enclose a disk. The disk is retained by the body of the case by a snap button. The snap button has a lip which engages at the central aperture of the disk to provide a downward force onto the upward surface of the disk. The snap button is mounted on a flexibly ridged arm extending from the body of the case and allows for the snap button to be moved from an engaged to a disengaged condition with the disk.
    Type: Grant
    Filed: December 7, 1999
    Date of Patent: March 27, 2001
    Assignee: Chin Shing Magnetic Limited
    Inventors: Qing Gang Ke, Wen Lien Wang