Patents by Inventor Hee Chung P. Park

Hee Chung P. Park 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: 4419411
    Abstract: A multi-layer polypropylene structure of low COF over a wide temperature range and a method for forming the same.
    Type: Grant
    Filed: December 23, 1982
    Date of Patent: December 6, 1983
    Assignee: Mobil Oil Corporation
    Inventor: Hee Chung P. Park