Granted Patent
Utility
US 6,747,404 · App. 09/893,553
Flat type fluorescent lamp and method for manufacturing the same
Inventor:
Sa Kyun Rha
Patented Case
View Patent ↗
Granted: Jun 8, 2004
Filed: Jun 29, 2001
Inventor
Sa Kyun Rha
Assignees (at issue)
LG Philips LCD Co., Ltd.
Sangnong Enterprise Co., Ltd.
Young Ho Lee
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.