Granted Patent
Utility
US 5,324,255 · App. 07/911,651
Angioplasty and ablative devices having onboard ultrasound components and devices and methods for utilizing ultrasound to treat or prevent vasopasm
Inventors:
James D. Passafaro, Henry Nita, Robert James Siegel, Douglas H. Gesswein
Patented Case
View Patent ↗
Granted: Jun 28, 1994
Filed: Jul 10, 1992
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.