Granted Patent
Utility
US 6,350,650 · App. 09/710,958
Method for fabricating a semiconductor memory device
Inventor:
Pyung-Woo Lee
Patented Case
View Patent ↗
Granted: Feb 26, 2002
Filed: Nov 14, 2000
Inventor
Pyung-Woo Lee
Assignee (at issue)
Hyundai Electronics Industries 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.