Granted Patent
Utility
US 5,259,839 · App. 07/748,839
Balloon catheter with guidewire valve
Inventor:
Matthew M. Burns
Patented Case
View Patent ↗
Granted: Nov 9, 1993
Filed: Aug 23, 1991
Inventor
Matthew M. Burns
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.