Granted Patent
Utility
US 5,337,704 · App. 08/128,181
Engine cooling system with thermostat coolant flow control between head and block
Inventor:
David B. Roth
Patented Case
View Patent ↗
Granted: Aug 16, 1994
Filed: Sep 29, 1993
Inventor
David B. Roth
Assignee (at issue)
Chrysler Group LLC
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.