Patents by Inventor Jung Keun Kwak

Jung Keun Kwak 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).

  • Excavator cab
    Patent number: D471213
    Type: Grant
    Filed: January 25, 2002
    Date of Patent: March 4, 2003
    Assignee: Volvo Construction Equipment Holding Sweden AB
    Inventors: Jung Keun Kwak, Sun Oh Jang