Patents by Inventor Dae-Il Lee

Dae-Il 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).

  • Portable satellite antenna
    Patent number: 6512490
    Abstract: The present invention relates to a portable satellite antenna which is capable of implementing an accurate horizontal and vertical direction movement of a satellite antenna using a worm gear method and a screw type guide as a horizontal and vertical direction rotation unit of a satellite antenna and preventing an entangling phenomenon of an electric wire even when an antenna is rotated in a horizontal direction.
    Type: Grant
    Filed: December 14, 2001
    Date of Patent: January 28, 2003
    Assignees: IDS Corporation
    Inventor: Dae-Il Lee