Granted Patent
Utility
US 5,669,881 · App. 08/370,705
Vascular introducer system incorporating inflatable occlusion balloon
Inventor:
Joyce Dunshee
Patented Case
View Patent ↗
Granted: Sep 23, 1997
Filed: Jan 10, 1995
Inventor
Joyce Dunshee
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.