Granted Patent
Utility
US 6,485,489 · App. 10/101,230
Catheter system for repairing a mitral valve annulus
Inventors:
Paul Teirstein, John A. Osth, Thomas Witzel, Cary Hata, Wallace Hauck, Hosheng Tu
Patented Case
View Patent ↗
Granted: Nov 26, 2002
Filed: Mar 19, 2002
Inventors
Paul Teirstein
John A. Osth
Thomas Witzel
Cary Hata
Wallace Hauck
Hosheng Tu
Assignee (at issue)
Quantumcor, 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.