Granted Patent
Utility
US 6,677,702 · App. 10/157,854
Flat type color cathode ray tube
Inventors:
Yong Kun Kim, Yoon San Park, Hyeon-Soo Hong
Patented Case
View Patent ↗
Granted: Jan 13, 2004
Filed: May 31, 2002
Inventors
Yong Kun Kim
Yoon San Park
Hyeon-Soo Hong
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.