Granted Patent
Utility
US 6,777,761 · App. 10/214,084
Semiconductor chip using both polysilicon and metal gate devices
Inventors:
Lawrence A. Clevenger, Louis L. Hsu, Kwong Hon Wong
Patented Case
View Patent ↗
Granted: Aug 17, 2004
Filed: Aug 6, 2002
Inventors
Lawrence A. Clevenger
Louis L. Hsu
Kwong Hon Wong
Assignee (at issue)
International Business Machines 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.