Granted Patent
Utility
US 6,206,918 · App. 09/310,801
Heart valve prosthesis having a pivot design for improving flow characteristics
Inventors:
Louis A. Campbell, Monti R. Gourley
Patented Case
View Patent ↗
Granted: Mar 27, 2001
Filed: May 12, 1999
Inventors
Louis A. Campbell
Monti R. Gourley
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.