Patents by Inventor Il Jun Park

Il Jun 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).

  • Traction device for dual wheels
    Patent number: 7624778
    Abstract: The present invention relates to a sliding prevention device for a vehicle, which includes a plurality of spikes, each of which is formed with a supporting device supported between the tires of the dual wheels, a braking plate engaged with the supporting device in the outer peripheral edge of the dual wheels to produce the braking power by contacting with the dual wheels, and an engaging portion formed at an inward apex between the tires of the dual wheels; an interval maintaining device adapted to engage with engaging portion of the spike; and a locking portion.
    Type: Grant
    Filed: October 26, 2005
    Date of Patent: December 1, 2009
    Inventor: Il Jun Park