Patents by Inventor In Cheoul Yeo

In Cheoul Yeo 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: 6923459
    Abstract: A 3-wheel vehicle board which can stably maintain height of a handle bar and change a driving posture in various forms.
    Type: Grant
    Filed: August 11, 2003
    Date of Patent: August 2, 2005
    Inventors: In Cheoul Yeo, In Young Yeo
  • Publication number: 20040142799
    Abstract: There is provided a muscular training apparatus that can be utilized without any limitation of a place, in which wires accumulating an elastic energy are repeatedly withdrawn and released, in order to train muscles of the human body. The muscular training apparatus includes a lengthy base (100), a fixed frame (300) fixed on the central portion of the base (100), a pair of wire reels (110, 210) rotatively coupled to one side of the fixed frame (300), wires (150, 250) each one end of which is fixed to each wire reel (110, 210) and each other end of which is wound around each wire reel (110, 210), spiral springs (120, 220) were as each one of which is fixed to each wire reel (110, 210) and were as the other end of which is fixed to the fixed frame (300), and grips (160, 260) connected to the other end of each wire (150, 250).
    Type: Application
    Filed: June 3, 2003
    Publication date: July 22, 2004
    Inventors: In Cheoul Yeo, Hwa Seag Go