Granted Patent
Utility
US 4,867,527 · App. 07/172,656
Combined electrical power and optical fiber cable
Inventors:
Enrico Dotti, Giorgio Grasso, Gianmario Lanfranconi
Patented Case
View Patent ↗
Granted: Sep 19, 1989
Filed: Mar 24, 1988
Inventors
Enrico Dotti
Giorgio Grasso
Gianmario Lanfranconi
Assignee (at issue)
Societa Cavi Pirelli 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.