Granted Patent
Utility
US 5,953,441 · App. 08/857,539
Fingerprint sensor having spoof reduction features and related methods
Inventor:
Dale R. Setlak
Patented Case
View Patent ↗
Granted: Sep 14, 1999
Filed: May 16, 1997
Inventor
Dale R. Setlak
Assignee (at issue)
HARRIS CORPORATION
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.