Granted Patent
Utility
US 6,288,698 · App. 09/167,905
Apparatus and method for gray-scale and brightness display control
Inventors:
Takatoshi Ishii, Yonggab Park
Patented Case
View Patent ↗
Granted: Sep 11, 2001
Filed: Oct 7, 1998
Inventors
Takatoshi Ishii
Yonggab Park
Assignee (at issue)
S3 Graphics 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.