Granted Patent
Utility
US 5,104,407 · App. 07/587,486
Selectively flexible annuloplasty ring
Inventors:
Hung L. Lam, Than Nguyen, Alain F. Carpentier
Patented Case
View Patent ↗
Granted: Apr 14, 1992
Filed: Sep 20, 1990
Inventors
Hung L. Lam
Than Nguyen
Alain F. Carpentier
Assignee (at issue)
Baxter International 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.