Granted Patent
Utility
US 4,811,414 · App. 07/020,331
Methods for digitally noise averaging and illumination equalizing fingerprint images
Inventors:
Glenn M. Fishbine, Mark Ransom, Daniel E. Germann
Patented Case
View Patent ↗
Granted: Mar 7, 1989
Filed: Feb 27, 1987
Inventors
Glenn M. Fishbine
Mark Ransom
Daniel E. Germann
Assignee (at issue)
C.F.A. Technologies, 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.