Granted Patent
Utility
US 6,650,430 · App. 10/025,035
Security printing and unlocking mechanism for high security printers
Inventors:
Robert E. Francis, Matthew K. Dunham, Gary M. Klinefelter, Jon Ibs
Patented Case
View Patent ↗
Granted: Nov 18, 2003
Filed: Dec 19, 2001
Inventors
Robert E. Francis
Matthew K. Dunham
Gary M. Klinefelter
Jon Ibs
Assignee (at issue)
Fargo Electronics, 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.