Granted Patent
Utility
US 6,556,346 · App. 09/400,275
Optical amplifying unit and optical transmission system
Inventors:
Fabrizio Di Pasquale, Fausto Meli, Giovanni Sacchi, Silvia Turolla
Patented Case
View Patent ↗
Granted: Apr 29, 2003
Filed: Sep 21, 1999
Inventors
Fabrizio Di Pasquale
Fausto Meli
Giovanni Sacchi
Silvia Turolla
Assignee (at issue)
Corning O.T.I. SpA
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.