Granted Patent
Utility
US 6,604,575 · App. 10/231,582
Heat exchange apparatus
Inventor:
Pavel V. Degtiarenko
Patented Case
View Patent ↗
Granted: Aug 12, 2003
Filed: Aug 30, 2002
Inventor
Pavel V. Degtiarenko
Assignee (at issue)
Southeastern Univer. Research Assn. 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.