Granted Patent
Utility
US 4,777,951 · App. 06/909,907
Procedure and catheter instrument for treating patients for aortic stenosis
Inventors:
Alain Cribier, Brice Letac, John P. Ariola, Jr.
Patented Case
View Patent ↗
Granted: Oct 18, 1988
Filed: Sep 19, 1986
Inventors
Alain Cribier
Brice Letac
John P. Ariola, Jr.
Assignee (at issue)
Mansfield Scientific, 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.