Granted Patent
Utility
US 4,786,274 · App. 07/042,737
Flexible belt and its associated transmission
Inventors:
Edoardo Robecchi, Renato Dell'Orto
Patented Case
View Patent ↗
Granted: Nov 22, 1988
Filed: Apr 27, 1987
Inventors
Edoardo Robecchi
Renato Dell'Orto
Assignee (at issue)
Industrie Pirelli 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.