Patents by Inventor James K. Yun

James 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).

  • Seal indicator for lid and container
    Patent number: 5427266
    Abstract: A lid includes a seal indication window for viewing a corresponding seal indication surface on the rim of a container. This provides a quick visual indication of whether the container is closed properly.
    Type: Grant
    Filed: September 27, 1993
    Date of Patent: June 27, 1995
    Inventor: James K. Yun