Granted Patent
Utility
US 6,378,472 · App. 09/664,175
Oiling system isolation and regulator valve
Inventor:
James C. Kantola
Patented Case
View Patent ↗
Granted: Apr 30, 2002
Filed: Sep 19, 2000
Inventor
James C. Kantola
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.