Granted Patent
Utility
US 4,694,565 · App. 06/856,304
Method of making hardened CMOS sub-micron field effect transistors
Inventor:
Frank Z. Custode
Patented Case
View Patent ↗
Granted: Sep 22, 1987
Filed: Apr 28, 1986
Inventor
Frank Z. Custode
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.