Granted Patent
Utility
US 5,451,216 · App. 08/217,446
Non-occluding catheter bolus
Inventor:
David G. Quinn
Patented Case
View Patent ↗
Granted: Sep 19, 1995
Filed: Mar 24, 1994
Inventor
David G. Quinn
Assignee (at issue)
Radius 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.