Patents by Inventor Lee Nae-Won

Lee Nae-Won 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: 4984586
    Abstract: This invention relates to an ashtray having cigarette snuffing device which has two major parts; one is an ashtray to gather ash and the other is a cigarette snuffing device to extinguish the lighted tip of a cigarette. The cigarette snuffing device provides multiple snuffing tubes in which the lighted end of a cigarette is inserted and it is extinguished for lack of oxygen.
    Type: Grant
    Filed: September 25, 1989
    Date of Patent: January 15, 1991
    Inventor: Lee Nae-Won