Granted Patent
Utility
US 5,724,828 · App. 08/426,029
Combination direct and indirect closed circuit evaporative heat exchanger with blow-through fan
Inventor:
Branislav Korenic
Patented Case
View Patent ↗
Granted: Mar 10, 1998
Filed: Apr 21, 1995
Inventor
Branislav Korenic
Assignee (at issue)
Baltimore Aircoil Company, 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.