Granted Patent
Utility
US 6,481,294 · App. 09/796,214
Sensor array for a capacitance measuring fingerprint sensor, and method for producing such a sensor array
Inventors:
Maximilian Zellner, Jörg Zapf, Peter Demmer
Patented Case
View Patent ↗
Granted: Nov 19, 2002
Filed: Feb 28, 2001
Inventors
Maximilian Zellner
Jörg Zapf
Peter Demmer
Assignee (at issue)
Infineon Technologies AG
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.