Granted Patent
Utility
US 6,475,239 · App. 09/170,925
Method for making polymer heart valves with leaflets having uncut free edges
Inventors:
Louis A. Campbell, Riyad Moe, Edward Sarnowski
Patented Case
View Patent ↗
Granted: Nov 5, 2002
Filed: Oct 13, 1998
Inventors
Louis A. Campbell
Riyad Moe
Edward Sarnowski
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.