Granted Patent
Utility
US 4,546,742 · App. 06/573,190
Temperature control system for internal combustion engine
Inventor:
Fred D. Sturges
Patented Case
View Patent ↗
Granted: Oct 15, 1985
Filed: Jan 23, 1984
Inventor
Fred D. Sturges
Assignee (at issue)
BorgWarner 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.