Granted Patent
Utility
US 5,182,489 · App. 07/629,420
Plasma display having increased brightness
Inventor:
Yoshio Sano
Patented Case
View Patent ↗
Granted: Jan 26, 1993
Filed: Dec 18, 1990
Inventor
Yoshio Sano
Assignee (at issue)
NEC CORPORATION
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.