Patents by Inventor Lee K. Yum

Lee K. Yum 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: D318808
    Type: Grant
    Filed: September 13, 1988
    Date of Patent: August 6, 1991
    Assignee: Anavil Company Limited
    Inventor: Lee K. Yum