Patents by Inventor Jae-Kyu Kwon

Jae-Kyu Kwon 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: 7857481
    Abstract: Disclosed herein is a multi-functional traffic signal stick, which has a red signal LED part for providing a signal stick function and a white signal LED part for providing a flash light function, and which a police officer carries on the road. The multi-functional traffic signal stick can be carried conveniently as a flash light by telescoping each joint of a length-adjustable flashing tube manufactured in an antenna type into a larger tube, and used as a signal stick, which is well seen from a far distance, by stretching each joint of the length-adjustable flashing tube like an antenna. In addition, the present invention can serve to inform danger or accidents when being mounted uprightly on the road or a proper place such that three supporting rods mounted on a grip part at regular intervals are unfolded to support the signal stick.
    Type: Grant
    Filed: January 29, 2005
    Date of Patent: December 28, 2010
    Inventors: Young-Jik Oh, Byung-Hoon Jun, Jae-Kyu Kwon
  • Publication number: 20090251078
    Abstract: Disclosed herein is a multi-functional traffic signal stick, which has a red signal LED part for providing a signal stick function and a white signal LED part for providing a flash light function, and which a police officer carries on the road. The multi-functional traffic signal stick can be carried conveniently as a flash light by telescoping each joint of a length-adjustable flashing tube manufactured in an antenna type into a larger tube, and used as a signal stick, which is well seen from a far distance, by stretching each joint of the length-adjustable flashing tube like an antenna. In addition, the present invention can serve to inform danger or accidents when being mounted uprightly on the road or a proper place such that three supporting rods mounted on a grip part at regular intervals are unfolded to support the signal stick.
    Type: Application
    Filed: January 29, 2005
    Publication date: October 8, 2009
    Inventors: Young-Jik Oh, Jae-Kyu Kwon