Patents by Inventor Myung D. Ko

Myung D. 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).

  • Raised pavement marking device
    Patent number: 5013180
    Abstract: A raised pavement marking device for use in pavement roadways includes a conical body, a plurality of supporting legs, a cavity, a nozzle member, a plurality of apertures, and a reflector, whereby the device can effectively melt and dry snow ice and/or moisture on the pavement roadways.
    Type: Grant
    Filed: October 5, 1989
    Date of Patent: May 7, 1991
    Inventor: Myung D. Ko