Granted Patent
Utility
US 6,794,281 · App. 10/238,314
Dual metal gate transistors for CMOS process
Inventors:
Sucharita Madhukar, Bich-Yen Nguyen
Patented Case
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Granted: Sep 21, 2004
Filed: Sep 10, 2002
Inventors
Sucharita Madhukar
Bich-Yen Nguyen
Assignee (at issue)
Freeescale Semiconductor, Inc.
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.