Patents by Inventor Duksoo Won

Duksoo 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).

  • Opening means having hold down means
    Patent number: 4605141
    Abstract: A container comprising a top wall having a rupturable score line defining a permanent top wall portion and an opening closure portion; pivot means spaced from said drinking opening; and a pull tab pivotally connected with said pivot means, said pull tab comprising a solid pull tab portion having a size at least as large as said opening whereby said pull tab portion can be pivoted over said opening to close said opening.
    Type: Grant
    Filed: March 1, 1985
    Date of Patent: August 12, 1986
    Inventor: Duksoo Won