Granted Patent
Utility
US 4,745,089 · App. 07/060,490
Self-aligned barrier metal and oxidation mask method
Inventor:
Richard Orban
Patented Case
View Patent ↗
Granted: May 17, 1988
Filed: Jun 11, 1987
Inventor
Richard Orban
Assignee (at issue)
General Electric Company
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.