Granted Patent
Utility
US 5,370,684 · App. 07/931,431
Prosthesis of polymeric material coated with biocompatible carbon
Inventors:
Franco Vallana, Pietro Arru, Marco Santi
Patented Case
View Patent ↗
Granted: Dec 6, 1994
Filed: Aug 18, 1992
Inventors
Franco Vallana
Pietro Arru
Marco Santi
Assignee (at issue)
Sorin Biomedica S.p.A.
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.