Granted Patent
Utility
US 4,445,270 · App. 06/390,782
Low resistance contact for high density integrated circuit
Inventor:
Sheng Teng Hsu
Patented Case
View Patent ↗
Granted: May 1, 1984
Filed: Jun 21, 1982
Inventor
Sheng Teng Hsu
Assignee (at issue)
RCA 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.