Granted Patent
Utility
US 4,821,092 · App. 07/126,578
Thin film transistor array for liquid crystal display panel
Inventor:
Kesao Noguchi
Patented Case
View Patent ↗
Granted: Apr 11, 1989
Filed: Nov 30, 1987
Inventor
Kesao Noguchi
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.