Granted Patent
Utility
US 5,226,888 · App. 07/782,518
Coiled, perfusion balloon catheter
Inventor:
Michelle Arney
Patented Case
View Patent ↗
Granted: Jul 13, 1993
Filed: Oct 25, 1991
Inventor
Michelle Arney
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.