Granted Patent
Utility
US 6,478,508 · App. 09/981,799
Apparatus for laying underground electric cables
Inventors:
Francesco Magnani, Mario Genovesi, Danilo Caslini
Patented Case
View Patent ↗
Granted: Nov 12, 2002
Filed: Oct 19, 2001
Inventors
Francesco Magnani
Mario Genovesi
Danilo Caslini
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.