Granted Patent
Utility
US 6,583,548 · App. 09/840,236
In-line type electron gun in cathode ray tube
Inventors:
Sung Ho Cho, Soo Keun Lee, Ok Tae Kim, Dong Young Kim
Patented Case
View Patent ↗
Granted: Jun 24, 2003
Filed: Apr 24, 2001
Inventors
Sung Ho Cho
Soo Keun Lee
Ok Tae Kim
Dong Young 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.