Patents by Inventor Joong Gil Yoo

Joong Gil Yoo 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).

  • Window air-conditioner
    Patent number: D465273
    Type: Grant
    Filed: September 24, 2001
    Date of Patent: November 5, 2002
    Assignee: LG Electronics Inc.
    Inventor: Joong Gil Yoo
  • Wall hanging type air-conditioner
    Patent number: D487142
    Type: Grant
    Filed: February 15, 2002
    Date of Patent: February 24, 2004
    Assignee: LG Electronics Inc.
    Inventor: Joong Gil Yoo
  • Window installed type air-conditioner
    Patent number: D487143
    Type: Grant
    Filed: September 20, 2002
    Date of Patent: February 24, 2004
    Assignee: LG Electronics Inc.
    Inventor: Joong Gil Yoo
  • Window installed type air-conditioner
    Patent number: D494263
    Type: Grant
    Filed: September 20, 2002
    Date of Patent: August 10, 2004
    Assignee: LG Electronics Inc.
    Inventor: Joong Gil Yoo