Patents by Inventor Yeol Wha Lee

Yeol Wha 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).

  • Apparatus for restraining and releasing missile using rigid sphere
    Patent number: 6286409
    Abstract: An apparatus for restraining and releasing a missile using a rigid sphere is disclosed.
    Type: Grant
    Filed: April 22, 1999
    Date of Patent: September 11, 2001
    Assignee: Agency for Defense Development
    Inventors: Moon Soo Na, Yeol Wha Lee, Tae Hak Park, Heung Joon Park
  • Apparatus for unfolding and fixing missile fins
    Patent number: 5820072
    Abstract: An improved apparatus for unfolding and fixing missile fins which is capable of automatically unfolding the fins of a missile when launching the missile loaded in a missile launch tube, in which the fins of the missile are folded, which includes a plurality of fins fixed to a missile body, a plurality of rotation fins rotatably supported by the fixed fin, rotation stoppers elastically supported in the direction the rotation fins are unfolded, and unfolding and fixing member forwardly and rearwardly movable with respect to the fixed fins and each having a straight movement stopper elastically supported toward the rotation stopper.
    Type: Grant
    Filed: December 9, 1996
    Date of Patent: October 13, 1998
    Assignee: Agency For Defense Development
    Inventors: Moon-Soo Na, Yeol-Wha Lee, Young-Sug Shin, Cheol-Gyu Hwang, Hae-Seogk Yang