Patents by Inventor Chul Hwan Han

Chul Hwan Han 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: D470990
    Type: Grant
    Filed: December 13, 2001
    Date of Patent: February 25, 2003
    Assignee: Clark Material Handling Asia Co., Ltd.
    Inventors: Chul Hwan Han, Young Hwan Cha, Taek Woo Lee