Granted Patent
Utility
US 6,379,274 · App. 09/450,407
Driven pulley
Inventor:
Jean-Francois Robert
Patented Case
View Patent ↗
Granted: Apr 30, 2002
Filed: Nov 29, 1999
Inventor
Jean-Francois Robert
Assignee (at issue)
Cvtech R & D Inc.
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.