Granted Patent
Utility
US 6,503,224 · App. 09/631,750
Perfusion balloon catheter
Inventors:
Michael R. Forman, Jonathan S. Stinson, Michael N. Helmus
Patented Case
View Patent ↗
Granted: Jan 7, 2003
Filed: Aug 4, 2000
Inventors
Michael R. Forman
Jonathan S. Stinson
Michael N. Helmus
Assignee (at issue)
Scimed Life Systems, 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.