Granted Patent
Utility
US 6,560,009 · App. 09/933,643
Erbium doped fibers for extended L-band amplification
Inventors:
Matthew J. Andrejco, Inger Pihl Byriel, Bera Palsdottir
Patented Case
View Patent ↗
Granted: May 6, 2003
Filed: Aug 21, 2001
Inventors
Matthew J. Andrejco
Inger Pihl Byriel
Bera Palsdottir
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.