Granted Patent
Utility
US 5,201,285 · App. 07/780,708
Controlled cooling system for a turbocharged internal combustion engine
Inventor:
Lester E. McTaggart
Patented Case
View Patent ↗
Granted: Apr 13, 1993
Filed: Oct 18, 1991
Inventor
Lester E. McTaggart
Assignee (at issue)
Touchstone, 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.