Granted Patent
Utility
US 5,883,971 · App. 08/735,718
System and method for determining if a fingerprint image contains an image portion representing a smudged fingerprint impression
Inventors:
Rudolf Maarten Bolle, Sharathchandra U. Pankanti, Yi-Sheng Yao
Patented Case
View Patent ↗
Granted: Mar 16, 1999
Filed: Oct 23, 1996
Inventors
Rudolf Maarten Bolle
Sharathchandra U. Pankanti
Yi-Sheng Yao
Assignee (at issue)
International Business Machines 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.