Granted Patent
Utility
US 6,169,592 · App. 09/212,040
Photosensitive resin plate with polyimide pattern edge portion having greater hardness than polyimide pattern portion
Inventor:
Weon-woo Choi
Patented Case
View Patent ↗
Granted: Jan 2, 2001
Filed: Dec 15, 1998
Inventor
Weon-woo Choi
Assignee (at issue)
SAMSUNG DISPLAY 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.