Granted Patent
Utility
US 6,234,294 · App. 09/469,273
Method and system for recognition of currency by denomination
Inventors:
Michael L. Defeo, Jack Denison, John M. Mikkelsen, Peter Truong, Kenneth W. Maier, Bo Xu, Robert J. Burgert
Patented Case
View Patent ↗
Granted: May 22, 2001
Filed: Dec 22, 1999
Inventors
Michael L. Defeo
Jack Denison
John M. Mikkelsen
Peter Truong
Kenneth W. Maier
Bo Xu
Robert J. Burgert
Assignee (at issue)
DE LA RUE INTERNATIONAL LIMITED
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.