Granted Patent
Utility
US 6,350,281 · App. 09/396,124
Methods and apparatus for measuring valve annuluses during heart valve-replacement surgery
Inventor:
Richard Rhee
Patented Case
View Patent ↗
Granted: Feb 26, 2002
Filed: Sep 14, 1999
Inventor
Richard Rhee
Assignee (at issue)
Edwards Lifesciences Corporation
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.