Granted Patent
Utility
US 6,806,418 · App. 10/296,615
Method of screening the magnetic field generated by an electrical power transmission line, and electrical power transmission line
Inventors:
Fabrizio Donazzi, Paolo Maioli
Patented Case
View Patent ↗
Granted: Oct 19, 2004
Filed: May 1, 2003
Inventors
Fabrizio Donazzi
Paolo Maioli
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.