Patents by Inventor Kyu Kwan Choi

Kyu Kwan Choi 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).

  • Vacuum cleaner
    Patent number: D503250
    Type: Grant
    Filed: October 6, 2003
    Date of Patent: March 22, 2005
    Assignee: LG Electronics Inc.
    Inventor: Kyu Kwan Choi
  • Nozzle for vacuum cleaner
    Patent number: D443120
    Type: Grant
    Filed: January 24, 2000
    Date of Patent: May 29, 2001
    Assignee: LG Electronics Inc.
    Inventor: Kyu Kwan Choi
  • Vacuum cleaner
    Patent number: D516760
    Type: Grant
    Filed: November 24, 2004
    Date of Patent: March 7, 2006
    Assignee: LG Electronics Inc.
    Inventor: Kyu Kwan Choi
  • Nozzle for vacuum cleaner
    Patent number: D520694
    Type: Grant
    Filed: November 24, 2004
    Date of Patent: May 9, 2006
    Assignee: LG Electronics Inc.
    Inventor: Kyu Kwan Choi
  • Body of vacuum cleaner
    Patent number: D521696
    Type: Grant
    Filed: November 24, 2004
    Date of Patent: May 23, 2006
    Assignee: LG Electronics Inc.
    Inventor: Kyu Kwan Choi
  • Body of vacuum cleaner
    Patent number: D523194
    Type: Grant
    Filed: January 11, 2005
    Date of Patent: June 13, 2006
    Assignee: LG Electronics Inc.
    Inventor: Kyu Kwan Choi
  • Body of vacuum cleaner
    Patent number: D523195
    Type: Grant
    Filed: January 27, 2005
    Date of Patent: June 13, 2006
    Assignee: LG Electronics Inc.
    Inventor: Kyu Kwan Choi
  • Body of vacuum cleaner
    Patent number: D490580
    Type: Grant
    Filed: February 25, 2003
    Date of Patent: May 25, 2004
    Assignee: LG Electronics Inc.
    Inventor: Kyu Kwan Choi
  • Vacuum cleaner
    Patent number: D493585
    Type: Grant
    Filed: June 11, 2003
    Date of Patent: July 27, 2004
    Assignee: LG Electronics, Inc.
    Inventor: Kyu Kwan Choi
  • Vacuum cleaner
    Patent number: D493586
    Type: Grant
    Filed: June 11, 2003
    Date of Patent: July 27, 2004
    Assignee: LG Electronics, Inc.
    Inventor: Kyu Kwan Choi