Granted Patent
Utility
US 6,137,934 · App. 08/977,567
Optical cable with tubular metal core and method of making same
Inventor:
Enrico Consonni
Patented Case
View Patent ↗
Granted: Oct 24, 2000
Filed: Nov 25, 1997
Inventor
Enrico Consonni
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.