Granted Patent
Utility
US 6,577,734 · App. 08/550,909
Data encryption key management system
Inventors:
Mark H. Etzel, David Faucher, Daniel Nelson Heer, David P. Maher, Robert J. Rance
Patented Case
View Patent ↗
Granted: Jun 10, 2003
Filed: Oct 31, 1995
Inventors
Mark H. Etzel
David Faucher
Daniel Nelson Heer
David P. Maher
Robert J. Rance
Assignee (at issue)
LUCENT 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.