Granted Patent
Utility
US 5,810,708 · App. 08/471,438
Ventricular assist conduit with externally supported tissue valve
Inventors:
John Woodard, Ronald A. Ness, Richard Romley, Than Nguyen, Herbert Chen
Patented Case
View Patent ↗
Granted: Sep 22, 1998
Filed: Jun 6, 1995
Inventors
John Woodard
Ronald A. Ness
Richard Romley
Than Nguyen
Herbert Chen
Assignee (at issue)
Baxter International 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.