Patents by Inventor Chong Bum Ryu

Chong Bum Ryu 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).

  • Computer speaker
    Patent number: D480704
    Type: Grant
    Filed: August 23, 2002
    Date of Patent: October 14, 2003
    Assignee: Namsung Corporation
    Inventor: Chong Bum Ryu