Granted Patent
Utility
US 5,843,183 · App. 08/854,958
Trileaflet heart valve
Inventors:
Jack C. Bokros, Jonathan C. Stupka
Patented Case
View Patent ↗
Granted: Dec 1, 1998
Filed: May 13, 1997
Inventors
Jack C. Bokros
Jonathan C. Stupka
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.