Granted Patent
Utility
US 5,286,183 · App. 07/880,742
Extruder head for applying coatings of polymeric material to semifinished products of elongated cylindrical conformation
Inventors:
Lodovico Tonsi, Giovanni Pozzati
Patented Case
View Patent ↗
Granted: Feb 15, 1994
Filed: May 8, 1992
Inventors
Lodovico Tonsi
Giovanni Pozzati
Assignee (at issue)
Pirelli Cavi 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.