Granted Patent
Utility
US 6,405,792 · App. 09/911,762
Compact fluid to fluid heat exchanger
Inventors:
John H. Rosenfeld, Mark T. North
Patented Case
View Patent ↗
Granted: Jun 18, 2002
Filed: Jul 24, 2001
Inventors
John H. Rosenfeld
Mark T. North
Assignee (at issue)
Thermal Corp.
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.