Granted Patent
Utility
US 6,635,982 · App. 09/929,102
Electron gun in CRT
Inventor:
Sung Ho Cho
Patented Case
View Patent ↗
Granted: Oct 21, 2003
Filed: Aug 15, 2001
Inventor
Sung Ho Cho
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.