Granted Patent
Utility
US 6,018,404 · App. 09/234,830
Bidirectional optical telecommunication system comprising a bidirectional optical amplifier
Inventors:
Fausto Meli, Alessandro Cavaciuti
Patented Case
View Patent ↗
Granted: Jan 25, 2000
Filed: Jan 21, 1999
Inventors
Fausto Meli
Alessandro Cavaciuti
Assignee (at issue)
Pirelli Cavi 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.