Granted Patent
Utility
US 5,710,481 · App. 08/756,589
CRT electron gun for controlling divergence angle of electron beams according to intensity of current
Inventors:
Myung Ho Park, Jin Yeal Choi
Patented Case
View Patent ↗
Granted: Jan 20, 1998
Filed: Nov 27, 1996
Inventors
Myung Ho Park
Jin Yeal Choi
Assignee (at issue)
Goldstar 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.