Granted Patent
Utility
US 6,407,804 · App. 09/762,351
Assembly for detecting the superficial structures of fingers and/or palms
Inventors:
Juergen Hillmann, Uwe Richter
Patented Case
View Patent ↗
Granted: Jun 18, 2002
Filed: Feb 5, 2001
Inventors
Juergen Hillmann
Uwe Richter
Assignee (at issue)
Heimann Biometric Systems GmbH
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.