Granted Patent
Utility
US 5,990,863 · App. 08/823,903
Image display system
Inventor:
Susumu Sakamoto
Patented Case
View Patent ↗
Granted: Nov 23, 1999
Filed: Mar 25, 1997
Inventor
Susumu Sakamoto
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.