Granted Patent
Utility
US 6,174,331 · App. 09/356,936
Heart valve leaflet with reinforced free margin
Inventors:
Riyad Moe, Xiao-Yan GONG, Edward Sarnowski
Patented Case
View Patent ↗
Granted: Jan 16, 2001
Filed: Jul 19, 1999
Inventors
Riyad Moe
Xiao-Yan GONG
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.