Patents by Inventor Wan Do Park

Wan Do Park 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: 7461467
    Abstract: Disclosed is a safety crampon with generality put on, which encircles front/rear/left/right sides of shoes around a spike pad to elastically press and grip them so that the crampon is not come off from the shoes, thereby ensuring safety. Also, the safety crampon has excellent wearing feeling and walking owing to characteristics of an elastic material, can be put on all kinds of shoes including mountain-climbing boots, high-heeled shoes, and rubber shoes, allows a user to safely climb a mountain and safely walk on a skiddy icy road of the ground, and has a conveniently portable advantage.
    Type: Grant
    Filed: October 4, 2005
    Date of Patent: December 9, 2008
    Assignees: Wookyung Tech Co., Ltd., KPM Global Co.
    Inventors: Wan Do Park, Chang Moo Jung