Granted Patent
Utility
US 5,209,730 · App. 07/452,710
Method for placement of a balloon dilatation catheter across a stenosis and apparatus therefor
Inventor:
Daniel J. Sullivan
Patented Case
View Patent ↗
Granted: May 11, 1993
Filed: Dec 19, 1989
Inventor
Daniel J. Sullivan
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.