Granted Patent
Utility
US 4,830,980 · App. 07/184,845
Making complementary integrated p-MODFET and n-MODFET
Inventor:
Kuan-Hong Hsieh
Patented Case
View Patent ↗
Granted: May 16, 1989
Filed: Apr 22, 1988
Inventor
Kuan-Hong Hsieh
Assignee (at issue)
Hughes Aircraft 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.