Granted Patent
Utility
US 6,427,764 · App. 09/904,788
Heat exchanger having selectively compliant end sheet
Inventor:
James S. Nash
Patented Case
View Patent ↗
Granted: Aug 6, 2002
Filed: Jul 13, 2001
Inventor
James S. Nash
Assignee (at issue)
Ingersoll Rand Energy Systems Corporation
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.