Granted Patent
Utility
US 6,709,933 · App. 10/323,329
Method of fabricating mask ROM
Inventor:
Seok-Su Kim
Patented Case
View Patent ↗
Granted: Mar 23, 2004
Filed: Dec 18, 2002
Inventor
Seok-Su Kim
Assignee (at issue)
Dongbu Electronics, 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.