Granted Patent
Utility
US 6,211,866 · App. 09/107,286
Grayscale voltage generating circuit
Inventor:
Shigeki Okutani
Patented Case
View Patent ↗
Granted: Apr 3, 2001
Filed: Jun 30, 1998
Inventor
Shigeki Okutani
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.