Granted Patent
Utility
US 5,405,318 · App. 08/127,985
Ultra-sound catheter for removing obstructions from tubular anatomical structures such as blood vessels
Inventor:
Henry Nita
Patented Case
View Patent ↗
Granted: Apr 11, 1995
Filed: Sep 28, 1993
Inventor
Henry Nita
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.