Granted Patent
Utility
US 6,312,465 · App. 09/360,093
Heart valve prosthesis with a resiliently deformable retaining member
Inventors:
Charles Durward Griffin, Louis A. Campbell, Tammi E. Klostermeyer
Patented Case
View Patent ↗
Granted: Nov 6, 2001
Filed: Jul 23, 1999
Inventors
Charles Durward Griffin
Louis A. Campbell
Tammi E. Klostermeyer
Assignee (at issue)
Sulzer 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.