Granted Patent
Utility
US 5,472,425 · App. 08/231,423
Rapid exchange catheter
Inventor:
Paul S. Teirstein
Patented Case
View Patent ↗
Granted: Dec 5, 1995
Filed: Apr 22, 1994
Inventor
Paul S. Teirstein
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.