Granted Patent
Utility
US 4,335,504 · App. 06/189,884
Method of making CMOS devices
Inventor:
Steven N. Lee
Patented Case
View Patent ↗
Granted: Jun 22, 1982
Filed: Sep 24, 1980
Inventor
Steven N. Lee
Assignee (at issue)
Rockwell International 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.