Granted Patent
Utility
US 6,617,254 · App. 09/993,746
Method for manufacturing cathode electrodes of electroluminescent display device
Inventors:
Joo-Hyeon Lee, Woo Young Kim, Sung Hoo Ju, Sun Woong Kim
Patented Case
View Patent ↗
Granted: Sep 9, 2003
Filed: Nov 6, 2001
Inventors
Joo-Hyeon Lee
Woo Young Kim
Sung Hoo Ju
Sun Woong Kim
Assignee (at issue)
Boe Hydis Technology 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.