Granted Patent
Utility
US 6,469,758 · App. 09/735,512
Color filter
Inventor:
Jun Young Yu
Patented Case
View Patent ↗
Granted: Oct 22, 2002
Filed: Dec 14, 2000
Inventor
Jun Young Yu
Assignee (at issue)
LG Philips LCD 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.