Granted Patent
Utility
US 6,143,025 · App. 09/082,848
Suture rings for rotatable artificial heart valves
Inventors:
Robert Stobie, George Xinsheng Guo
Patented Case
View Patent ↗
Granted: Nov 7, 2000
Filed: May 21, 1998
Inventors
Robert Stobie
George Xinsheng Guo
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.