Patents by Inventor Young Seung Ko

Young Seung Ko 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).

  • Foldable kick board
    Patent number: 10583887
    Abstract: The present invention relates to a foldable kick board in which a footboard can be folded in two stages and the length of a handle shaft can be freely adjusted such that the size of the full-folded kick board can be reduced to be same as the length of the footboard.
    Type: Grant
    Filed: August 2, 2016
    Date of Patent: March 10, 2020
    Inventor: Young Seung Ko
  • FOLDABLE KICK BOARD
    Publication number: 20180257733
    Abstract: The present invention relates to a foldable kick board in which a footboard can be folded in two stages and the length of a handle shaft can be freely adjusted such that the size of the full-folded kick board can be reduced to be same as the length of the footboard.
    Type: Application
    Filed: August 2, 2016
    Publication date: September 13, 2018
    Inventor: Young Seung KO
  • SLIDER
    Publication number: 20130140787
    Abstract: A slider is provided which can travel ahead by placing a user's foot on a board and stamping the ground with the other foot like a known kick board or which can exercise a user by causing shafts each having a rear board fixed thereto to sufficiently extend backward and moving the shafts at symmetric angles relative to each other and can spontaneously travel ahead by means of waveform-like actions using rear casters attached to the bottoms of the rear boards.
    Type: Application
    Filed: April 11, 2011
    Publication date: June 6, 2013
    Inventor: Young Seung Ko