Patents by Inventor Myeong K. Yun

Myeong K. Yun 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).

  • Cigarettes
    Patent number: 5203356
    Abstract: A cigarette has a filter and an extensible helically wound mouthpiece extending beyond the filter. The mouthpiece may itself include an additional filter element.
    Type: Grant
    Filed: June 10, 1991
    Date of Patent: April 20, 1993
    Inventor: Myeong K. Yun