Granted Patent
Utility
US 6,598,295 · App. 10/093,266
Plate-fin and tube heat exchanger with a dog-bone and serpentine tube insertion method
Inventor:
Robert E. Utter
Patented Case
View Patent ↗
Granted: Jul 29, 2003
Filed: Mar 7, 2002
Inventor
Robert E. Utter
Assignee (at issue)
Brazeway, 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.