Granted Patent
Utility
US 6,652,332 · App. 10/319,433
Reverse gate for water jet propulsion system
Inventor:
Paul E. Westhoff
Patented Case
View Patent ↗
Granted: Nov 25, 2003
Filed: Dec 13, 2002
Inventor
Paul E. Westhoff
Assignee (at issue)
Bombardier Motor Corporation of America
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.