Granted Patent
Utility
US 6,755,857 · App. 10/020,337
Polymer heart valve with perforated stent and sewing cuff
Inventors:
Paul Peterson, Riyad Moe, Joseph Chinn
Patented Case
View Patent ↗
Granted: Jun 29, 2004
Filed: Dec 12, 2001
Inventors
Paul Peterson
Riyad Moe
Joseph Chinn
Assignee (at issue)
Sulzer Carbomedics 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.