Granted Patent
Utility
US 5,889,290 · App. 08/896,530
Thin film transistor and manufacturing method thereof
Inventor:
Woong-Kwon Kim
Patented Case
View Patent ↗
Granted: Mar 30, 1999
Filed: Jul 18, 1997
Inventor
Woong-Kwon Kim
Assignee (at issue)
LG ELECTRONICS INC.
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.