Granted Patent
Utility
US 4,158,613 · App. 05/966,326
Method of forming a metal interconnect structure for integrated circuits
Inventor:
Marilyn R. Sogo
Patented Case
View Patent ↗
Granted: Jun 19, 1979
Filed: Dec 4, 1978
Inventor
Marilyn R. Sogo
Assignee (at issue)
Burroughs, 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.