Granted Patent
Utility
US 5,139,962 · App. 07/653,312
MOS fabrication method with self-aligned gate
Inventor:
Hiroyuki Tanaka
Patented Case
View Patent ↗
Granted: Aug 18, 1992
Filed: Feb 11, 1991
Inventor
Hiroyuki Tanaka
Assignee (at issue)
OKI ELECTRIC INDUSTRY 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.