Granted Patent
Utility
US 6,359,728 · App. 09/400,274
Pump device for pumping an active fiber of an optical amplifier and corresponding optical amplifier
Inventors:
Marco Angellieri, Roberta Castagnetti, Giovanni Sacchi
Patented Case
View Patent ↗
Granted: Mar 19, 2002
Filed: Sep 21, 1999
Inventors
Marco Angellieri
Roberta Castagnetti
Giovanni Sacchi
Assignee (at issue)
Pirelli Cavi e Sistemi S.p.A.
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.