Patents by Inventor Seung-Choon Lee

Seung-Choon 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).

  • Patent number: 4997195
    Abstract: The present invention relates to a pallet loader which can be used for carrying and unloading pallets on which goods are loaded. The pallet loader of the present invention includes an initial wheel-turning driving mechanism which enables a wheel disposed between both side wheels to turn; a jack plate where a control mechanism is provided to control opening and closing of a fluid passage which is provided to pass a fluid between a pump and a hydraulic jack.
    Type: Grant
    Filed: October 12, 1989
    Date of Patent: March 5, 1991
    Inventor: Seung-Choon Lee