Granted Patent
Utility
US 6,555,605 · App. 08/934,890
Flame-retardant composition for polymer compounds
Inventor:
Flavio Casiraghi
Patented Case
View Patent ↗
Granted: Apr 29, 2003
Filed: Sep 22, 1997
Inventor
Flavio Casiraghi
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.