Granted Patent
Utility
US 6,538,456 · App. 09/481,129
Capacitive fingerprint sensor with adjustable gain
Inventors:
Alexander G. Dickinson, Ross McPherson, Sunetra Mendis, Paul C. Ross
Patented Case
View Patent ↗
Granted: Mar 25, 2003
Filed: Jan 11, 2000
Inventors
Alexander G. Dickinson
Ross McPherson
Sunetra Mendis
Paul C. Ross
Assignee (at issue)
Veridicom, 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.