Granted Patent
Utility
US 5,474,530 · App. 08/255,513
Angioplasty and ablative devices having onboard ultrasound components and devices and methods for utilizing ultrasound to treat or prevent vasospasm
Inventors:
James D. Passafaro, Henry Nita, Robert James Siegel, Douglas H. Gesswein
Patented Case
View Patent ↗
Granted: Dec 12, 1995
Filed: Jun 8, 1994
Inventors
James D. Passafaro
Henry Nita
Robert James Siegel
Douglas H. Gesswein
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.