Granted Patent
Utility
US 5,845,505 · App. 08/866,808
Precooler/chiller/reheater heat exchanger for air dryers
Inventors:
Timothy J. Galus, David F. Fijas
Patented Case
View Patent ↗
Granted: Dec 8, 1998
Filed: May 30, 1997
Inventors
Timothy J. Galus
David F. Fijas
Assignee (at issue)
American Precision Industries, 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.