Granted Patent
Utility
US 5,312,340 · App. 07/852,546
Balloon dilatation catheter having dual sealing plugs
Inventor:
Peter T. Keith
Patented Case
View Patent ↗
Granted: May 17, 1994
Filed: Mar 17, 1992
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.