Granted Patent
Utility
US 5,658,302 · App. 08/485,616
Method and device for endoluminal disruption of venous valves
Inventors:
Jan Wicherski, Stephen Sosnowski
Patented Case
View Patent ↗
Granted: Aug 19, 1997
Filed: Jun 7, 1995
Inventors
Jan Wicherski
Stephen Sosnowski
Assignee (at issue)
Baxter International 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.