Granted Patent
Utility
US 6,413,178 · App. 09/687,648
Reversible driven pulley
Inventor:
Rene Chamberland
Patented Case
View Patent ↗
Granted: Jul 2, 2002
Filed: Oct 13, 2000
Inventor
Rene Chamberland
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.