Granted Patent
Utility
US 5,169,178 · App. 07/538,247
Fitting for use in a heat exchange system
Inventor:
Thomas A. Hunzinger
Patented Case
View Patent ↗
Granted: Dec 8, 1992
Filed: Jun 14, 1990
Inventor
Thomas A. Hunzinger
Assignee (at issue)
MODINE MANUFACTURING COMPANY
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.