Patents by Inventor Keun dai Choi

Keun dai 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).

  • Compact fluorescent lamp
    Patent number: D437946
    Type: Grant
    Filed: May 23, 2000
    Date of Patent: February 20, 2001
    Assignee: Jungwoo International Inc.
    Inventor: Keun dai Choi
  • Compact fluorescent lamp
    Patent number: D439681
    Type: Grant
    Filed: July 19, 2000
    Date of Patent: March 27, 2001
    Assignee: Jungwoo International Inc.
    Inventor: Keun dai Choi
  • Compact fluorescent bulb
    Patent number: D446320
    Type: Grant
    Filed: July 19, 2000
    Date of Patent: August 7, 2001
    Assignee: Jungwoo Internatiinal Inc.
    Inventor: Keun Dai Choi
  • Compact fluorescent lamp upper case
    Patent number: D448096
    Type: Grant
    Filed: January 11, 2001
    Date of Patent: September 18, 2001
    Assignee: Jungwoo International Inc.
    Inventor: Keun dai Choi
  • Compact fluorescent lamp
    Patent number: D448501
    Type: Grant
    Filed: January 11, 2001
    Date of Patent: September 25, 2001
    Assignee: Jungwoo International, Inc.
    Inventor: Keun dai Choi
  • Compact fluorescent lamp
    Patent number: D448502
    Type: Grant
    Filed: January 11, 2001
    Date of Patent: September 25, 2001
    Assignee: Jungwoo International Inc.
    Inventor: Keun dai Choi
  • Compact fluorescent lamp
    Patent number: D449122
    Type: Grant
    Filed: January 11, 2001
    Date of Patent: October 9, 2001
    Assignee: Jungwoo International Inc.
    Inventor: Keun dai Choi
  • Compact fluorescent lamp
    Patent number: D430318
    Type: Grant
    Filed: December 10, 1999
    Date of Patent: August 29, 2000
    Assignee: Jungwoo International, Inc.
    Inventor: Keun Dai Choi