Granted Patent
Utility
US 4,873,028 · App. 07/158,603
Low silhouette cooling tower with trapezoidal fill and method of air flow therethrough
Inventor:
Bryan F. Garrish
Patented Case
View Patent ↗
Granted: Oct 10, 1989
Filed: Feb 22, 1988
Inventor
Bryan F. Garrish
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.