Granted Patent
Utility
US 5,123,919 · App. 07/795,497
Combined prosthetic aortic heart valve and vascular graft
Inventors:
Joseph A. Sauter, Louis A. Campbell
Patented Case
View Patent ↗
Granted: Jun 23, 1992
Filed: Nov 21, 1991
Inventors
Joseph A. Sauter
Louis A. Campbell
Assignee (at issue)
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.