Granted Patent
Utility
US 5,897,567 · App. 08/924,850
Expandable intravascular occlusion material removal devices and methods of use
Inventors:
Thomas V. Ressemann, Anthony C. Vrba, Steven S. Hackett, Chad J. Kugler, Hans Mische
Patented Case
View Patent ↗
Granted: Apr 27, 1999
Filed: Sep 9, 1997
Inventors
Thomas V. Ressemann
Anthony C. Vrba
Steven S. Hackett
Chad J. Kugler
Hans Mische
Assignee (at issue)
Scimed Life Systems, 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.