Patents by Inventor Tzy-Hung Chein

Tzy-Hung Chein 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: 4754523
    Abstract: A fastening tool for wheel covers comprising a fixing blade, a clipping blade, a rod, a nut and a supporting sheet. These elements are configured so as to clamp the portion immediately after the hand hole of a wheel body. A plurality of fastening tools are, in turn, fixed externally onto a wheel cap. After proper adjustment of these structures, a passage will be provided for a bolt to screw therethrough.
    Type: Grant
    Filed: March 20, 1987
    Date of Patent: July 5, 1988
    Inventor: Tzy-Hung Chein