Granted Patent
Utility
US 5,458,575 · App. 08/224,910
Perfusion catheter having a cylindrical array of balloons
Inventor:
James Wang
Patented Case
View Patent ↗
Granted: Oct 17, 1995
Filed: Apr 8, 1994
Inventor
James Wang
Assignee (at issue)
Boston Scientific Limited
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.