Granted Patent
Utility
US 6,355,030 · App. 09/161,079
Instruments and methods employing thermal energy for the repair and replacement of cardiac valves
Inventors:
William N. Aldrich, Michael V. Morejohn, Richard A. Helkowski, Ivan Sepetka
Patented Case
View Patent ↗
Granted: Mar 12, 2002
Filed: Sep 25, 1998
Inventors
William N. Aldrich
Michael V. Morejohn
Richard A. Helkowski
Ivan Sepetka
Assignee (at issue)
Cardiothoracic 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.