Granted Patent
Utility
US 4,542,719 · App. 06/634,207
Engine cooling system
Inventor:
Ronald E. Wilkinson
Patented Case
View Patent ↗
Granted: Sep 24, 1985
Filed: Jul 25, 1984
Inventor
Ronald E. Wilkinson
Assignee (at issue)
Teledyne Industries, 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.