Granted Patent
Utility
US 6,476,419 · App. 09/501,411
Electroluminescence display device
Inventor:
Hitoshi Yasuda
Patented Case
View Patent ↗
Granted: Nov 5, 2002
Filed: Feb 9, 2000
Inventor
Hitoshi Yasuda
Assignee (at issue)
SANYO ELECTRIC 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.