Granted Patent
Utility
US 6,499,442 · App. 10/022,087
Integral water pump/electronic engine temperature control valve
Inventor:
Thomas J. Hollis
Patented Case
View Patent ↗
Granted: Dec 31, 2002
Filed: Dec 18, 2001
Inventor
Thomas J. Hollis
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.