Patents by Inventor Choon-Guen Lee

Choon-Guen Lee 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).

  • Suspension device for a commercial vehicle
    Patent number: 5566928
    Abstract: A suspension device for a commercial vehicle includes a leaf spring member, a shackle pivotally connected to the leaf spring and a frame, a first piston cylinder member fixed to the center of the leaf cylinder, and a second piston cylinder member pivotally connected to the shackle and in communication with the first piston cylinder member through an oil conduit whereby upon being fully loaded with goods, the suspension device prevents the vehicle from rolling when the vehicle turns, and improves a comfortable feeling of entering the vehicle and handling of the vehicle.
    Type: Grant
    Filed: May 26, 1995
    Date of Patent: October 22, 1996
    Assignee: Hyundai Motor Company, Ltd.
    Inventor: Choon-Guen Lee