Granted Patent
Utility
US 6,833,680 · App. 10/373,686
Structure of electron gun for color cathode ray tube
Inventors:
Jin Yeal Choi, Jun Ho Bae
Patented Case
View Patent ↗
Granted: Dec 21, 2004
Filed: Feb 27, 2003
Inventors
Jin Yeal Choi
Jun Ho Bae
Assignee (at issue)
LG. Philips Displays Korea Co., Ltd.
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.