Granted Patent
Utility
US 5,387,247 · App. 07/462,849
Prosthetic device having a biocompatible carbon film thereon and a method of and apparatus for forming such device
Inventors:
Franco Vallana, Pietro Arru
Patented Case
View Patent ↗
Granted: Feb 7, 1995
Filed: Jan 3, 1990
Inventors
Franco Vallana
Pietro Arru
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.