Granted Patent
Utility
US 6,650,039 · App. 09/589,889
Electron gun in color cathode ray tube
Inventors:
Tae-Kyu Kim, Hyun Cheol KIM
Patented Case
View Patent ↗
Granted: Nov 18, 2003
Filed: Jun 9, 2000
Inventors
Tae-Kyu Kim
Hyun Cheol KIM
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.