Granted Patent
Utility
US 5,938,632 · App. 08/810,830
Radiofrequency transmyocardial revascularization apparatus and method
Inventor:
Louis Ellis
Patented Case
View Patent ↗
Granted: Aug 17, 1999
Filed: Mar 6, 1997
Inventor
Louis Ellis
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.