Granted Patent
Utility
US 6,509,683 · App. 09/840,237
Implosion proof panel in cathode ray tube
Inventor:
Tae Hoon Lee
Patented Case
View Patent ↗
Granted: Jan 21, 2003
Filed: Apr 24, 2001
Inventor
Tae Hoon Lee
Assignee (at issue)
LG ELECTRONICS INC.
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.