Granted Patent
Utility
US 5,122,891 · App. 07/560,222
Color liquid crystal display device
Inventor:
Seong-Ho Kim
Patented Case
View Patent ↗
Granted: Jun 16, 1992
Filed: Jul 25, 1990
Inventor
Seong-Ho Kim
Assignee (at issue)
Goldstar 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.