Granted Patent
Utility
US 5,917,471 · App. 08/719,649
Method for displaying gray scales of image display unit
Inventor:
Sun Choi
Patented Case
View Patent ↗
Granted: Jun 29, 1999
Filed: Sep 25, 1996
Inventor
Sun Choi
Assignee (at issue)
Samsung Display Devices 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.