Patents by Inventor Chul Hwan Hahn

Chul Hwan Hahn 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).

  • Fork lift
    Patent number: D393516
    Type: Grant
    Filed: December 23, 1996
    Date of Patent: April 14, 1998
    Assignee: Samsung Hevy Industries Co., Ltd.
    Inventors: Chul Hwan Hahn, Jae Min Kim, Taek Woo Lee
  • Fork lift
    Patent number: D396928
    Type: Grant
    Filed: December 23, 1996
    Date of Patent: August 11, 1998
    Assignee: Samsung Heavy Industries Co., Ltd.
    Inventors: Chul Hwan Hahn, Jae Min Kim, Taek Woo Lee