Patents by Inventor Gu-Ik Cha

Gu-Ik Cha 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).

  • Pulp product manufacturing apparatus
    Patent number: 6332956
    Abstract: Disclosed is a pulp product manufacturing apparatus.
    Type: Grant
    Filed: October 20, 2000
    Date of Patent: December 25, 2001
    Assignee: Korea Recystes Co., Ltd.
    Inventors: Sang-Han Lee, Gu-Ik Cha, Young-Tae Kim