Granted Patent
Utility
US 5,403,305 · App. 08/018,882
Mitral valve prosthesis rotator
Inventors:
Joseph A. Sauter, Louis A. Campbell, John Budd
Patented Case
View Patent ↗
Granted: Apr 4, 1995
Filed: Apr 8, 1993
Inventors
Joseph A. Sauter
Louis A. Campbell
John Budd
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.