Granted Patent
Utility
US 4,463,800 · App. 06/423,857
Radiator mounted condition sensing probe
Inventor:
Clifford F. Hadden
Patented Case
View Patent ↗
Granted: Aug 7, 1984
Filed: Sep 27, 1982
Inventor
Clifford F. Hadden
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.