Patents by Inventor Yong Yoo Yoon

Yong Yoo Yoon 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).

  • Packaging bag
    Publication number: 20030012462
    Abstract: The present invention relates to a packaging bag. The packaging bag includes a bag body member. The bag body member has a double-layered structure which is formed by an inner sheet and an outer sheet, whereby toughness of the packaging bag is improved. A carrying handle member is attached to an upper end of the bag body member to enable easy carrying and handling of the packaging bag. A zipper or zippers are installed on an upper end and/or a lower end of the packaging bag, whereby the packaging bag can be rapidly and easily opened and closed.
    Type: Application
    Filed: September 12, 2001
    Publication date: January 16, 2003
    Applicant: E. SAENG CO., LTD.
    Inventors: Ki Beom Kim, Kyung Joo Chang, Yang Jae Shin, Yong Yoo Yoon