Granted Patent
Utility
US 5,217,482 · App. 07/792,786
Balloon catheter with distal guide wire lumen
Inventor:
Peter T. Keith
Patented Case
View Patent ↗
Granted: Jun 8, 1993
Filed: Nov 15, 1991
Inventor
Peter T. Keith
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.