Granted Patent
Utility
US 5,776,154 · App. 08/603,329
Surgical instruments for making precise incisions in a cardiac vessel
Inventors:
Charles S. Taylor, John J. Frantzen, Ivan Sepetka
Patented Case
View Patent ↗
Granted: Jul 7, 1998
Filed: Feb 20, 1996
Inventors
Charles S. Taylor
John J. Frantzen
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.