Patents by Inventor Chang O. Moon

Chang O. Moon 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: 4974299
    Abstract: A speed closure system for footwear, which includes a first shoelace provided with a plurality of loops which extend through a plurality of eyelets around a throat or a tongue opening in the upper portion of the shoe and a second shoelace adapted to be laced through the plurality of loops, whereby the second shoelace can be easily adjusted to suit the comfort of the wearer by pulling one of the ends of the second shoelace.
    Type: Grant
    Filed: February 16, 1990
    Date of Patent: December 4, 1990
    Inventor: Chang O. Moon