Granted Patent
Utility
US 5,543,654 · App. 08/351,643
Contoured-tub fermi-threshold field effect transistor and method of forming same
Inventor:
Michael W. Dennen
Patented Case
View Patent ↗
Granted: Aug 6, 1996
Filed: Dec 7, 1994
Inventor
Michael W. Dennen
Assignee (at issue)
Thunderbird Technologies, 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.