Granted Patent
Utility
US 5,797,948 · App. 08/770,610
Centering balloon catheter
Inventor:
Susan Dunham
Patented Case
View Patent ↗
Granted: Aug 25, 1998
Filed: Dec 19, 1996
Inventor
Susan Dunham
Assignee (at issue)
CORDIS 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.