Granted Patent
Utility
US 6,290,709 · App. 09/271,045
Transmyocardial revascularization catheter and assembly
Inventors:
Louis Ellis, Gary L. Hendrickson
Patented Case
View Patent ↗
Granted: Sep 18, 2001
Filed: Mar 17, 1999
Inventors
Louis Ellis
Gary L. Hendrickson
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.