Patents by Inventor Chin S. Yong

Chin S. Yong 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).

  • Portable mutifunctional device for motor vehicles
    Patent number: 4833746
    Abstract: A portable multifunctional device for motor vehicles which includes a motor driven by an electric power source from the cigarette light socket of a motor vehicle. The motor has a high-speed revolution shaft for being operatively connected to a vacuum cleaner or the like, a low-speed revolution shaft having a reduction gear for being operatively connected to a jack or the like, and a cap for covering at least one shaft.
    Type: Grant
    Filed: December 16, 1987
    Date of Patent: May 30, 1989
    Assignee: Chung Yang Company, Ltd.
    Inventor: Chin S. Yong