Granted Patent
Utility
US 6,759,593 · App. 09/987,355
Superconducting cable
Inventor:
Sergio Spreafico
Patented Case
View Patent ↗
Granted: Jul 6, 2004
Filed: Nov 14, 2001
Inventor
Sergio Spreafico
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.