Granted Patent
Utility
US 5,845,704 · App. 08/857,797
Heat exchanger baffle design
Inventors:
Kenneth Edward Lavelle, Ronald L. Grace
Patented Case
View Patent ↗
Granted: Dec 8, 1998
Filed: May 16, 1997
Inventors
Kenneth Edward Lavelle
Ronald L. Grace
Assignee (at issue)
Flowserve Management 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.