Patents by Inventor Chang-Franw Lee

Chang-Franw Lee 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: 4848618
    Abstract: A foldable container, of which each of the two side walls has two sections to be foldable inwards so as to have the side walls folded on the floor of the container; the roof of the container is then fallen upon the side walls. Between the roof and the folded side walls, there is a space to accommodate the two end walls; consequently, the container can closely be folded up to facilitate an empty container to be handled in freight. The present invention discloses the fastenable hinges of the side walls and the connecting device of the end walls.
    Type: Grant
    Filed: February 16, 1988
    Date of Patent: July 18, 1989
    Assignees: Industrial Technology Research Institute, Wen-Huang Chen
    Inventors: Chii-Yah Yuan, Tsz-Gang Tswei, Chang-Franw Lee, Wu-Yaw Wei, Ching-Hwa Lin, Wen-Kuang Chen