Granted Patent
Utility
US 5,342,292 · App. 08/067,246
Ultrasonic ablation device adapted for guidewire passage
Inventors:
Henry Nita, Russell Pflueger
Patented Case
View Patent ↗
Granted: Aug 30, 1994
Filed: May 24, 1993
Inventors
Henry Nita
Russell Pflueger
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.