Granted Patent
Utility
US 6,225,682 · App. 09/046,631
Semiconductor memory device having isolation structure and method of fabricating the same
Inventor:
Jeong-Hwan Son
Patented Case
View Patent ↗
Granted: May 1, 2001
Filed: Mar 24, 1998
Inventor
Jeong-Hwan Son
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.