Granted Patent
Utility
US 6,530,894 · App. 09/440,989
Aortic shunt with spinal perfusion and cooling device
Inventor:
Denise Barbut
Patented Case
View Patent ↗
Granted: Mar 11, 2003
Filed: Nov 16, 1999
Inventor
Denise Barbut
Assignee (at issue)
CoAxia, 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.