Patents by Inventor Suk Kyu Yoon

Suk Kyu Yoon 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: 5653074
    Abstract: The present invention relates to a door frame made of wood. The door frame comprises a pair of rails, a pair of stiles and connectors. At each of the connecting ends of the rails and stiles, hollows and holes are formed, into which a connector capable of disassembly is inserted and fixed, thereby joining and tightening the rails and stiles. The door frame can maintain its integrity and still provide for convenient repair and replacement of damaged portions by disassembly of the connector.
    Type: Grant
    Filed: June 29, 1994
    Date of Patent: August 5, 1997
    Inventor: Suk Kyu Yoon
  • Patent number: 5261203
    Abstract: A movable barrier capable of disassembly comprises a plurality of rails having at least one hollow at each edges thereof, a pair of stiles having holes formed at the positions of facing to the hollows of the plurality of rails, and means for combining the plurality of rails and the pair of stiles. Since the movable barrier according to the present invention can be disassembled and reassembled, transportation to a desired place is convenient. Further, broken or otherwise damaged portions of the movable barrier can be easily replaced or repaired.
    Type: Grant
    Filed: October 30, 1991
    Date of Patent: November 16, 1993
    Inventor: Suk Kyu Yoon