Granted Patent
Utility
US 6,288,810 · App. 09/202,270
Device for adding and dropping optical signals
Inventors:
Giorgio Grasso, Fausto Meli, Marcos Antonio Brandão Sanches, Mario Tamburello
Patented Case
View Patent ↗
Granted: Sep 11, 2001
Filed: May 7, 1999
Inventors
Giorgio Grasso
Fausto Meli
Marcos Antonio Brandão Sanches
Mario Tamburello
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.