Granted Patent
Utility
US 5,210,468 · App. 07/617,206
Gas-discharge display element driven by using seed discharge
Inventor:
Toshihiro Yoshioka
Patented Case
View Patent ↗
Granted: May 11, 1993
Filed: Nov 23, 1990
Inventor
Toshihiro Yoshioka
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.