Granted Patent
Utility
US 5,355,250 · App. 08/084,770
Fiber optical communication line with shut off control
Inventors:
Giorgio Grasso, Aldo Righetti, Mario Tamburello
Patented Case
View Patent ↗
Granted: Oct 11, 1994
Filed: Jun 29, 1993
Inventors
Giorgio Grasso
Aldo Righetti
Mario Tamburello
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.