Patents by Inventor Nam Suk Cho

Nam Suk Cho 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: 6085444
    Abstract: Provided is a ventilated footwear including first, second and third air pressing rooms 3, 4 and 5 in a bottom formulation 2, 2' in an approximate triangle shape organically for enhancing comfort of a wearer of the footwear, in which a ball unit 24, having a donut-type void, formed on the center of each of the first, second and third air pressing rooms 3, 4 and 5, so dramatically decreasing impact exerted on a foot when the wearer of the footwear walks or runs as well as smoothly circulating outside air into the footwear 1, 1' for preventing eczema.
    Type: Grant
    Filed: November 20, 1998
    Date of Patent: July 11, 2000
    Inventor: Nam Suk Cho