Granted Patent
Utility
US 6,835,620 · App. 10/881,461
Method of manufacturing flash memory devices
Inventor:
Sung Hoon Lee
Patented Case
View Patent ↗
Granted: Dec 28, 2004
Filed: Jun 30, 2004
Inventor
Sung Hoon Lee
Assignee (at issue)
SK hynix 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.