Granted Patent
Utility
US 5,641,697 · App. 08/644,447
Method of making a MOS device with an input protection circuit LP
Inventor:
Eiichi Iwanami
Patented Case
View Patent ↗
Granted: Jun 24, 1997
Filed: May 13, 1996
Inventor
Eiichi Iwanami
Assignee (at issue)
Nippon Steel Semiconductor Corporation
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.